On Feb 26 2013, Tony Finch wrote:
[...]
I just remembered another problem, that many unices have antediluvian stub
resolvers that write to syslog when they see a DNAME record, e.g.
gethostby*.getanswer: asked for "42.143.232.128.in-addr.arpa IN PTR", got type
"39"
Apart from logging, the code ignores the DNAME record and happily
processes the synthesized CNAME record, so it is mostly a benign bug apart
from the annoying noise in the logs. If AS112 were to use DNAME this is
likely to become a tiresome FAQ.
Or it might speed up the phasing out of these old glibc versions,
which would be a boon to all of us deploying DNAMEs in reverse lookup
contexts.
--
Chris Thompson University of Cambridge Computing Service,
Email: [email protected] New Museums Site, Cambridge CB2 3QH,
Phone: +44 1223 334715 United Kingdom.
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