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e5d0ed8c4c
The DNS overview "Download" produces a $ORIGIN zonefile, but the right-hand side of MX, CNAME and SRV records was emitted as a relative name. A target such as mail.example.net is then read relative to the origin and expands to mail.example.net.example.org., which is wrong. The only prior attempt at making names absolute was str_replace($domain, $domain . '.', ...), which appended a dot only to targets that happened to contain the origin domain, so cross-domain targets stayed relative. That same replace also corrupted any TXT value containing the origin (e.g. a DMARC rua=mailto:x@example.org became ...@example.org.). Absolutize the RHS per record type at export time only: MX and CNAME targets, and the SRV target token, get a trailing dot; ports, the SRV root target ".", IP addresses and TXT character strings are left as is. The records used for the on-page DNS validation are untouched, so matching against dns_get_record() output still works. Fixes #6984 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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