Question
What should I do if zone transfers are failing between my primary DNS server and Cloudflare Secondary DNS?
Asked by: USER8582
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106 Answers
Answer (106)
First, verify that the Cloudflare Secondary DNS IP addresses are correctly whitelisted on your primary DNS server. Check your primary DNS server's logs for any error messages related to zone transfers. Ensure that your primary DNS server allows zone transfers to the Cloudflare IPs and that DNSSEC is configured correctly if in use.