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- 21 Mar 2023, 19:46
- Forum: General Discussion (csf)
- Topic: RBL Check errors when verifying a domain with nameservers on Cloudfliare
- Replies: 0
- Views: 2388
RBL Check errors when verifying a domain with nameservers on Cloudfliare
Every day we receive a message from RBL's checks informing us that no responses were received from some spam checklists. The content of said message shows us several errors similar to this: Error: open resolver; https://www.xxxxx/returnc/pub/xxxx.xx.xx.xx The IP address at the end of the URL is an I...