On Fri, Feb 23, 2024 at 06:43:53PM -0500, J Doe wrote: > 23-Feb-2024 18:33:02.422 queries: info: (localhost.ca): query: > localhost.ca IN AAAA +E(0) (127.0.0.1) > > 23-Feb-2024 18:33:02.422 queries: info: (localhost): query: localhost IN > AAAA +E(0) (127.0.0.1)
> What's interesting is that this is happening on a mail server that has > a: .ca TLD. It _looks_ like SA is appending this TLD to: localhost, > queries for it and it fails and then it queries correctly for: > localhost, which succeeds. And what does "ping localhost" (running with the same user as SA) say? I'd guess it might have the same behaviour, in which case it is not SA-related... > I'd like this spurious lookup for: localhost.ca to stop ... has anyone > seen something similar - either: localhost.ca or: localhost.tld for a > mail server with another TLD (ie: mail.com -> localhost.com) ? > > If others have seen this, is it result of a configuration parameter ? I've seen it in the past with misconfigured /etc/hosts (missing localhost entry) so search (or domain) from /etc/resolv.conf was being used as it would be for any unqualied host name... (it also might be a permission problem on those files, or chroot / SElinux / Apparmor, or /etc/nsswitch.conf etc) -- Opinions above are GNU-copylefted.
