3 ms·
>> There is one other special case. If the response contains an answer which is a CNAME RR, it indicates that REMOTE is actually an alias for some other
by 8ytecoder 6y ago
>> There is one other special case. If the response contains an answer
which is a CNAME RR, it indicates that REMOTE is actually an alias
for some other domain name. The query should be repeated with the
canonical domain name.
https://tools.ietf.org/html/rfc974 https://tools.ietf.org/html/rfc974 (Page 3)
In general, we expect systems to be forgiving.