On Wed, Jul 22, 2026 at 12:04:33AM +0530, Mayuresh wrote: > That implicit suffixing is seen happening in tcpdump for other domain > names, too, when the given name fails to find AAAA record. > > It's .in, possibly because my hostname ends in that.
No, that is no good reason for it. There must be a "domain" or "search" entry in /etc/resolv.conf. If the provider is adding that unexpectedly in their DHCP reply, you can make resolvconf(8) ignore it via /etc/resolvconf.conf's "exclude" option. Martin
