[Resolved] raw.icp0.o and icp0.io listed in Spamhaus DBL

Developers
1

Dear ICP Developers,

We want to inform you about an ongoing issue affecting our primary domains for hosting user canisters, icp0.io and raw.icp0.io, which has been listed in the Spamhaus Domain Blocklist (DBL). While we are actively working to resolve this, there may be temporary side effects:

  • Social media posts featuring links to icp0.io / raw.icp0.io may be flagged as spam or restricted.
  • Some corporate or personal internet filters may block connections to icp0.io or display warnings.

We have provided all the requested information to the Spamhaus team and were hopeful this issue would be resolved before the weekend. Unfortunately, the matter remains unresolved. :disappointed:

We will keep you updated as the situation evolves and are evaluating further actions depending on the outcome.

Thank you for your understanding and patience as we work through this.

Best regards,
Infrastructure Security Team
DFINITY

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2

Dear ICP Developers,

Good news!

Spamhaus has confirmed that the reputation score for icp0.io has been reset, and the domain has been successfully removed from the Spamhaus Domain Blocklist (DBL). While most networks will reflect this change immediately, please note it might take up to 24 hours for some local systems to update fully.

Best regards,
Infrastructure Security Team
DFINITY Foundation

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