El 13 ag 2017, a les 13:19, Tony Finch <d...@dotat.at> va escriure: > RFC 6761 requires recursive servers to return positive 127.0.0.1 and ::1 > responses, not NXDOMAIN. I can't see an explanation in the draft for the > change to NXDOMAIN.
The reason to return NXDOMAIN is that it causes stub resolvers that look localhost up using DNS to fail, which is what should happen. It is incorrect to look up localhost in the DNS. Failure is preferred in this case.
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