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リーディングビュー

ATL (Atlanta) on 2026-08-18

🤖 AI Summary

2026年8月18日にアトランタデータセンターで計画的なメンテナンスが実施されました。メンテナンスは午前6時から午前10時まで行われ、終了時間は午前10時01分でした。

主な情報:
- メンテナンス開始:8月14日 午後2時31分
- メンテナンス実施:8月18日 午前6時から午前10時まで
- 影響地域:アメリカ合衆国 グアダルカーラ州 アトランタ

メンテナンス中、同エリアへのトラフィックは他の場所に転送される可能性があります。ネットワークインターフェースが一時的に利用できない場合もあるため、PNI/CNI顧客はこの状況に対応するよう注意してください。

通知の登録はCloudflareダッシュボードから行い、メールやPagerDuty、ウェブHooks等で直接通知を受け取ることができます。詳細はhttps://developers.cloudflare.com/notifications/notification-available/#cloudflare-statusをご覧ください。

Aug 18, 10:01 UTC
Completed - The scheduled maintenance has been completed.

Aug 18, 06:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 18, 05:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 14, 14:31 UTC
Scheduled - We will be performing scheduled maintenance in ATL (Atlanta) datacenter on 2026-08-18 between 06:00 and 10:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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SJC (San Jose) on 2026-08-17

🤖 AI Summary

Cloudflareは2026年8月17日、サンジョセ(カリフォルニア州)データセンターでの計画的メンテナンスを実施しました。開始時間はUTC午前8時で、終了時間はUTC午後3時でした。影響を受けた地域のトラフィックは他の場所にリダイレクトされる可能性があり、ネットワークインターフェースが一時的に利用不能になる場合があります。

メンテナンスに関する通知をCloudflareダッシュボードからサブスクライブし、メールやPagerDuty、ウェブHooks(プランにより異なる)で直接通知を受け取れるようになりました。詳しくは https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status を参照してください。

Aug 17, 15:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 17, 08:02 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 17, 07:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 14, 13:51 UTC
Scheduled - We will be performing scheduled maintenance in SJC (San Jose) datacenter on 2026-08-17 between 08:00 and 15:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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ORD (Chicago) on 2026-08-17

🤖 AI Summary

Cloudflareは、2026年8月17日にChicagoデータセンター(ORD)で計画的なメンテナンスを行いました。以下の情報をお知らせします:

- 時間表:
- 開始:2026年8月17日午前8時
- 終了:同日午前11時

- メンテナンス期間中、地域によっては遅延が生じる可能性があります。PNI / CNI顧客の場合、ネットワークインターフェースが一時的に unavailableになるため、他の場所へのフェールオーバーに対応していることを確認してください。

- 通知の受け取り方:Cloudflareダッシュボードで登録することで、メールや PagerDuty、ウェブフック(プランにより異なる)を通じてこれらの更新を受け取ることができます。

以上がCloudflareからの発表内容です。

Aug 17, 11:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 17, 08:01 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 17, 07:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 14, 07:00 UTC
Scheduled - We will be performing scheduled maintenance in ORD (Chicago) datacenter on 2026-08-17 between 08:00 and 11:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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CMH (Columbus) on 2026-08-14

🤖 AI Summary

2026年8月14日、Cloudflareはコロンバス・データセンター(CMH)での計画的なメンテナンスに関する通知を発表しました。以下の内容を要約します。

- 予定時間:UTC 05:00 - 10:30
- 操作:計画的メンテナンス実施

メンテナンス期間中、影響区域のユーザーは若干の遅延が発生する可能性があります。PNI / CNIクライアントは、このデータセンターに接続している間、ネットワークインターフェースが一時的に利用できない場合があることを考慮に入れておく必要があります。

Cloudflareのダッシュボードから通知登録を行い、メールやPagerDuty、ウェブフックなどの方法で更新を受信することができます(プランによって対応が異なる)。

このメンテナンスはコロンバス(OH、アメリカ)のみに影響があり、8月14日10:30 UTCに完了しました。

Aug 14, 10:30 UTC
Completed - The scheduled maintenance has been completed.

Aug 14, 05:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 14, 04:50 UTC
Scheduled - We will be performing scheduled maintenance in CMH (Columbus) datacenter on 2026-08-14 between 05:00 and 10:30 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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Increased HTTP 5xx Errors in Kuwait, Bangkok, Jakarta and Dammam

🤖 AI Summary

クウェート、バンコク、ジャカルタ、ダマムでHTTP 5xxエラーが増加しています。Cloudflareはこの問題を調査し、対処するための措置を講じています。8月14日午前4時55分に発生し、同日午前5時37分に解決しました。

主なポイント:
- 発生日時:2026年8月14日午前4時55分
- 解決日時:2026年8月14日午前5時37分
- 影響地域:クウェート、バンコク、ジャカルタ、ダマム
- Cloudflareは問題を調査し対処しています

Aug 14, 05:37 UTC
Resolved - This incident has been resolved.

Aug 14, 04:55 UTC
Identified - Cloudflare is investigating an increased level of HTTP 5xx errors in Kuwait, Bangkok, Jakarta and Dammam locations. We are working to analyse and mitigate this problem. More updates to follow shortly.

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Network Performance Issues in Querétaro, Mexico

Aug 14, 03:11 UTC
Resolved - This incident has been resolved.

Aug 14, 03:04 UTC
Monitoring - A fix has been implemented and we are monitoring the results.

Aug 14, 02:38 UTC
Investigating - Cloudflare is investigating issues with Network Performance in Querétaro, Mexico. We are working to analyze and mitigate this problem. More updates to follow shortly.

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Increased 503s when making changes to Cloudflare dash and API for Magic Transit and Cloudflare WAN and CF1 Appliance

Aug 13, 21:16 UTC
Resolved - This incident has been resolved.

Aug 13, 20:09 UTC
Investigating - Cloudflare One Appliance will be impacted as well, in that any CF1App config changes that do manage to succeed, may not be applied in a timely fashion.

Aug 13, 19:51 UTC
Investigating - Increased 503s when making changes to Cloudflare dash and API for Magic Transit, Cloudflare WAN, CF1 Appliance. This is not impacting traffic, only configuration.

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MCP Server Portal experiencing intermittent issues with user authentication

Aug 13, 17:38 UTC
Resolved - This incident has been resolved.

Aug 13, 17:08 UTC
Identified - The issue has been identified and a fix is being implemented.

Aug 13, 16:49 UTC
Investigating - Cloudflare is investigating an intermittent issue with MCP Server Portal authentication. Other Cloudflare Access services are fully functional and are not impacted.

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Cloudflare Workers AI errors with Specific models

Aug 13, 16:51 UTC
Resolved - This incident has been resolved.

Aug 13, 16:38 UTC
Monitoring - A fix has been implemented and we are monitoring the results.

Aug 13, 15:15 UTC
Identified - The issue has been identified and a fix is being implemented.

Aug 13, 15:00 UTC
Investigating - Cloudflare is aware of, and investigating, an increased amount of errors with @cf/meta/m2m100-1.2b and @cf/myshell-ai/melotts. We are working to mitigate this problem. More updates to follow shortly.

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YYZ (Toronto) on 2026-08-14

🤖 AI Summary

Cloudflareは2026年8月14日にトロント(YYZ)データセンターで計画的なメンテナンスを実施しました。以下の要点を含みます:

- イベント日時:2026年8月14日 8:00UTCから10:01UTCまで
- メンテナンス内容:ネットワークインターフェースの一時停止と再起動
- 影響範囲:トロント(YYZ)
- メンテナンス中、遅延が発生する可能性あり。地域内のユーザーには配慮が必要
- PNI / CNI顧客は代替ルートの設定を確認してください

Cloudflareのダッシュボード経由で通知を受け取れるようになりました(メール・PagerDuty・ウェブ_hooks)。詳細はhttps://developers.cloudflare.com/notifications/notification-available/#cloudflare-status参照。

Aug 14, 10:01 UTC
Completed - The scheduled maintenance has been completed.

Aug 14, 08:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 14, 07:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 13, 09:50 UTC
Scheduled - We will be performing scheduled maintenance in YYZ (Toronto) datacenter on 2026-08-14 between 08:00 and 10:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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TXL (Berlin) on 2026-08-17

🤖 AI Summary

CloudflareがベルリンのTXLデータセンターで2026年8月17日に実施した計画的メンテナンスについての通知を要約します。

- **日時**: 2026年8月17日 00:00 - 04:00 UTC
- **内容**: ネットワークインターフェースが一時的に unavailable になる可能性があるため、トラフィックは他の場所にリダイレクトされる可能性があります。これにより、影響を受ける地域のエンドユーザーにはわずかな遅延が生じる可能性があります。
- **通知方法**: Cloudflareダッシュボードから通知を受け取ることができます。メール、PagerDuty、ウェブハックなども利用可能(プランによって異なる)。

メンテナンスは計画通りに完了し、TXL (ベルリン)データセンターのトラフィックは予定通りにリダイレクトされました。

詳しくは以下をご覧ください: [Cloudflare Status](https://www.cloudflarestatus.com/incidents/hb9r6lzzkg8t)

Aug 17, 04:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 17, 00:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 16, 23:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 13, 09:20 UTC
Scheduled - We will be performing scheduled maintenance in TXL (Berlin) datacenter on 2026-08-17 between 00:00 and 04:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

  •  

CMH (Columbus) on 2026-08-13

Aug 13, 11:01 UTC
Completed - The scheduled maintenance has been completed.

Aug 13, 07:30 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 13, 07:10 UTC
Scheduled - We will be performing scheduled maintenance in CMH (Columbus) datacenter on 2026-08-13 between 07:30 and 11:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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ATL (Atlanta) on 2026-08-14

🤖 AI Summary

### アトラedBy: Cloudflare

**概要**
Cloudflareが2026年8月14日にアトランタデータセンタで実施した計画的なメンテナンスについての情報です。

**タイムライン**
- **05:00 UTC**: 60分後にメンテナンスを開始する予定。
- **06:00 UTC**: メンテナンスが進行中。必要に応じて更新を提供します。
- **10:00 UTC**: 指定期間内にメンテナンスが完了。

**影響**
地域内のトラフィックは再ルーティングされる可能性があり、終了ユーザーの遅延が増加する可能性があります。PNI/CNIクライアントは、データセンターのネットワークインターフェースが一時的に利用不能になることを考慮に入れる必要があります。

**通知**
Cloudflareダッシュボード経由でこれらの通知にサブスクリプションを登録し、メールや PagerDuty、ウェブフックを通じて直接通知を受け取ることができます。詳細は [ここ](https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status) を参照してください。

**影響している場所**
アトランタ, グアジュータス, アメリカ合衆国 (ATL)

---

この要約では、メンテナンスの実施日時や影響範囲など主な情報をまとめています。

Aug 14, 10:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 14, 06:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 14, 05:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 13, 06:20 UTC
Scheduled - We will be performing scheduled maintenance in ATL (Atlanta) datacenter on 2026-08-14 between 06:00 and 10:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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YUL (Montréal) on 2026-08-17

🤖 AI Summary

タイトル: 2026年8月17日 YUL(モントリオール)の計画的メンテナンス

概要:
Cloudflareは、2026年8月17日にモントリオール(YUL)データセンターで計画的メンテナンスを実施しました。メンテナンス期間は午前8時から午後12時までで、約4時間間隔でした。

主な内容:
- 2026年8月17日午前7時にメンテナンスが開始される予定。
- 2026年8月17日午前8時に実施を開始する予定。
- メンテナンス期間中、この場所からトラフィックがルーティングされ変わる可能性があり、影響を受けている地域のユーザーには軽微な遅延が発生する可能性がある。
- PNI / CNI顧客は、メンテナンスウィンドウ中のネットワークインターフェースの一時的な無効化に対応策を練ること。

更新通知:
Cloudflareのダッシュボードから通知を受け取ることができます。メール、PagerDuty、Webhook(プランに応じて)で直接更新を受け取ることができます。詳細は https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status を参照してください。

結果:
- 2026年8月17日午後12時にメンテナンスが完了しました。

影響した場所:
モントリオール、ケンブリッジ省、カナダ - (YUL)

Aug 17, 12:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 17, 08:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 17, 07:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 12, 23:50 UTC
Scheduled - We will be performing scheduled maintenance in YUL (Montréal) datacenter on 2026-08-17 between 08:00 and 12:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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DAC (Dhaka) on 2026-08-17

🤖 AI Summary

2026年8月17日、ダッカ(DAC)データセンタで計画的なメンテナンスが実施されました。以下はその概要です:

- 計画時間:UTC午後5:00 から 10:00
- メンテナンス中:午後5:01
- 完了:午後10:00

メンテナンス実施前に、Cloudflareは地域のトラフィックが他の場所にルーティングされる可能性と、ネットワークインターフェースが一時的に利用不可になることを警告していました。PNI / CNIクライアントは、維持管理期間中にこの影響を考慮に入れるべきです。

なお、Cloudflareはダッシュボードから通知を受け取る機能を提供しており、メールやPagerDuty、ウェブフックを通じてリアルタイムの更新が受け取れます。詳細は公式ドキュメントをご確認ください。

Aug 17, 22:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 17, 17:01 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 17, 16:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 12, 23:10 UTC
Scheduled - We will be performing scheduled maintenance in DAC (Dhaka) datacenter on 2026-08-17 between 17:00 and 22:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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Email Security delivery impacted by Spamhaus listing

🤖 AI Summary

Cloudflareの記事「Email Security delivery impacted by Spamhaus listing」を日本語で要約します。

8月12日、Spamhausによってリスト化されたIPアドレスによるメールセキュリティ配信障害が発生しました。以下に主な内容をまとめます:

- 8月12日16時48分:Spamhausでリスト化されていた全てのIPがクリーンになったことを確認。ダウンストリームシステムへの変更の拡散状況をモニタリング中。
- 8月12日17時23分:障害は解決しました。

主要な影響:
- O365を使用する顧客は、必要事項が完了していない場合にのみ影響を受ける可能性がある。設定を確認し、全送出IPを含めることを推奨。
- 134.195.26.0/23ブロックのIPからのメールが拒否されるという問題を発見。このIPブロックはすべてのダウンストリームシステムで許可すべきであり、Cloudflare Email Securityがメールの元発信者とみなされないようにするため、Spamhausフィルタリングはダウンストリームシステムで無効化することを推奨。

障害期間:8月12日15時04分〜17時23分

Cloudflare: https://www.cloudflarestatus.com/incidents/fdyjr0t87mrb

Aug 12, 17:23 UTC
Resolved - This incident is now resolved.

Aug 12, 16:48 UTC
Monitoring - All IPs previously listed by Spamhaus are now clean. Monitoring the propagation of that change to downstream systems.

Aug 12, 16:30 UTC
Investigating - We are continuing to investigate this issue. Customers using O365 will be impacted only if they have not completed the required setup. Please check your setup and ensure the connector includes all egress IPs: https://developers.cloudflare.com/cloudflare-one/email-security/setup/pre-delivery-deployment/prerequisites/m365-email-security-mx/#2-configure-enhanced-filtering

Aug 12, 15:07 UTC
Investigating - We are continuing to investigate this issue.

Aug 12, 15:04 UTC
Investigating - We are currently investigating an issue where customers that use Spamhaus for additional filtering of email downstream from the Cloudflare Email Security service are rejecting emails from IPs in the 134.195.26.0/23 block. This IP block should be allowed for all customer downstream systems to avoid treating the Email Security service as an originator of mail. We recommend all Cloudflare Email Security customers disable Spamhaus filtering in downstream systems.

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IST (İstanbul) on 2026-08-13

Aug 13, 21:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 13, 03:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 13, 02:01 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 12, 10:40 UTC
Scheduled - We will be performing scheduled maintenance in IST (İstanbul) datacenter on 2026-08-13 between 03:00 and 21:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

  •  

ORD (Chicago) on 2026-08-13

Aug 13, 11:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 13, 06:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 13, 05:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 12, 07:00 UTC
Scheduled - We will be performing scheduled maintenance in ORD (Chicago) datacenter on 2026-08-13 between 06:00 and 11:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

  •  

ORD (Chicago) on 2026-08-12

🤖 AI Summary

Chicagoデータセンター(ORD)での計画的メンテナンスに関するCloudflareの通知を要約します。

- タイムライン:
- 2026年8月12日03:40UTC:メンテナンスが8月12日に開始されることが通知されました。
- 2026年8月12日06:00UTC:メンテナンス開始まで60分です。
- 2026年8月12日07:00UTC:メンテナンスは進行中で、必要に応じて更新が提供されます。
- 2026年8月12日11:00UTC:メンテナンスが完了しました。

- 主な内容:
1. チicagoデータセンターでの計画的メンテナンスは07:00〜11:00UTCで行われます。
2. この期間中、トラフィックは他の場所に再ルーティングされる可能性があり、ユーザーの遅延が増えるかもしれません。
3. PNI / CNIクライアントは、ネットワークインターフェースが一時的に利用できない場合に対応する必要があります。
4. メンテナンス終了後、Cloudflareデスクトップから通知を受け取ることや、メール、PagerDuty、ウェブフックを介して直接更新を受け取ることができます。

以上の情報を元に、Cloudflareからのこの通知の要点を把握できます。

Aug 12, 11:00 UTC
Completed - The scheduled maintenance has been completed.

Aug 12, 07:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.

Aug 12, 06:00 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.

Aug 12, 03:40 UTC
Scheduled - We will be performing scheduled maintenance in ORD (Chicago) datacenter on 2026-08-12 between 07:00 and 11:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable. You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.

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