nanog mailing list archives
Re: ns1-proddns.glbdns.o365filtering.com unreachable?
From: Stephane Bortzmeyer <bortzmeyer () nic fr>
Date: Wed, 6 Jul 2022 13:28:48 +0200
On Wed, Jul 06, 2022 at 12:15:31PM +0200, Peter van Dijk <peter.van.dijk () powerdns com> wrote a message of 28 lines which said:
So, in short, they have a DNS responding problem; their bad handling of EDNS makes that worse, because now a resolver needs to get two queries (one with EDNS, then one without) through to them before resolving something
Thanks, you're right and I was wrong. It seems it now works again. Note these authoritative name servers have other problems. For instance, when receiving NS queries, they put the answer in the Answer section but not for SOA requests.
Current thread:
- ns1-proddns.glbdns.o365filtering.com unreachable? Thomas Mieslinger (Jul 06)
- Re: ns1-proddns.glbdns.o365filtering.com unreachable? Bjoern Franke via NANOG (Jul 06)
- Re: ns1-proddns.glbdns.o365filtering.com unreachable? Stephane Bortzmeyer (Jul 06)
- Re: ns1-proddns.glbdns.o365filtering.com unreachable? Peter van Dijk (Jul 06)
- Re: ns1-proddns.glbdns.o365filtering.com unreachable? Stephane Bortzmeyer (Jul 06)
- Re: ns1-proddns.glbdns.o365filtering.com unreachable? Stephane Bortzmeyer (Jul 06)
- Re: ns1-proddns.glbdns.o365filtering.com unreachable? Bjoern Franke via NANOG (Jul 06)
- Re: ns1-proddns.glbdns.o365filtering.com unreachable? Cas de Reuver (Jul 06)