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If you query the legacy DNSBLs via OVHCloud move to Spamhaus Technology's free Data Query Service

ID: 4311c478-5391-5785-9984-ab9ae4dcdaba

STIX ID: report--4311c478-5391-5785-9984-ab9ae4dcdaba

Feed Name: The Spamhaus Project

Date Published: 2023-05-17

Date Updated: 2026-04-30

Author: The Spamhaus Team

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Spamhaus warns OVHCloud users that queries to legacy public DNS blocklist mirrors from resolvers lacking attributable reverse DNS will now receive error code **127.255.255.254**, which may lead to email rejections; users are advised to stop using the public mirrors and configure their systems to use Spamhaus Technology's free Data Query Service (DQS) after registering for a DQS key.

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