9.6.1-P1 zone parser false errors
dot at dotat.at
Wed Nov 4 13:52:10 UTC 2009
On Mon, 2 Nov 2009, Mark Andrews wrote:
> getaddrinfo() is reporting that aspmx.l.google.com's cannonical
> name is mail-yx0-f102.google.com. Somewhere in the resolution path
> aspmx.l.google.com is being treated as a alias for
> mail-yx0-f102.google.com. In the DNS this is done using a CNAME.
That's the kind of name you get if you do a reverse lookup on an IP
address returned by a lookup of aspmx.l.google.com, e.g.
$ dig +short -x $(dig +short aspmx.l.google.com)
I'm not sure why getaddrinfo() would be doing a reverse lookup to
canonicalize a name. My test machines (Solaris, FreeBSD, Linux) don't.
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
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