Hi Florian. Well since you mention it, may we see your BIND configuration? Also "named -V", please and, if you can, a packet capture (preferably binary pcap, not just a few lines of tcpdump output) showing what your server is doing at the time you see these messages in the logs.
Cheers, Greg On Fri, 4 Jul 2025 at 08:56, Florian Piekert via bind-users < bind-users@lists.isc.org> wrote: > Hello all, > > I frequently have this in my logs > > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5303:c800::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 2600:9000:5303:c800::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5303:c800::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5304:dc00::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 2600:9000:5304:dc00::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5304:dc00::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5306:cb00::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 2600:9000:5306:cb00::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5306:cb00::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5300:5200::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 2600:9000:5300:5200::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 2600:9000:5300:5200::1#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.195.200#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 205.251.195.200#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.195.200#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.196.220#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 205.251.196.220#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.196.220#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.198.203#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 205.251.198.203#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.198.203#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.192.82#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: resolver: notice: DNS format error > from 205.251.192.82#53 resolving > feedback-smtp.us-east-1.amazonses.com/AAAA for 127.0.0.1#44099: Name > us-east-1.amazonses.com (SOA) not subdomain of zone > feedback-smtp.us-east-1.amazonses.com -- invalid response > May 4 14:29:16 sonne named[4035767]: DNS format error from > 205.251.192.82#53 resolving feedback-smtp.us-east-1.amazonses.com/AAAA > for 127.0.0.1#44099: Name us-east-1.amazonses.com (SOA) not subdomain of > zone feedback-smtp.us-east-1.amazonses.com -- invalid response > > and was wondering IF there is a misconfiguration on my bind? > > My guess is no, but I thought I'd better ask for confirmation. > > Florian > > -- > Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list > > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users >
-- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
