Heh, mail.protection.outlook.com has consumed many hours of my time in the past month :(
For everyones’ amusement/astonishment: * dig +edns ns mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com Returns FORMERR but an empty question section * dig +noedns SOA mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com Returns NODATA… with an SOA to prove it! * dig +noedns DS mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com dig +noedns DNSKEY mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com dig +noedns TXT mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com Returns NOTIMP * dig +noedns ns nist-gov.mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com Returns two mail.protection.outlook.com/NS RRs in the ANSWER section If only Microsoft cared… — Brian > On Apr 16, 2020, at 11:14 PM, Viktor Dukhovni <ietf-d...@dukhovni.org> wrote: > > On Fri, Apr 17, 2020 at 03:52:14PM +1000, Mark Andrews wrote: > >> % dig @ns1.google.com google.com type1001 >> ;; ->>HEADER<<- opcode: QUERY, status: NOTIMP, id: 40540 > > Well, it is somewhat similar to the behaviour of the load balancers for > mail.protection.outlook.com, which return NOTIMP for even more RRtypes, > e.g. TLSA: > > _25._tcp.nist-gov.mail.protection.outlook.com. IN A ? ; NXDomain > _25._tcp.nist-gov.mail.protection.outlook.com. IN TLSA ? ; NotImp > >> All this does is make it harder to deploy new DNS data types. Is >> that Google’s intention? > > I doubt that's the intention, but perhaps it points to a common origin > for the underlying DNS load-balancer platforms? If so, with a bit of > luck software/firmware updates may be available to address both. > > It is otherwise an interesting coincidence that both Google and > Microsoft ended up pretty much the same bug. > > -- > Viktor. > _______________________________________________ > dns-operations mailing list > dns-operations@lists.dns-oarc.net > https://lists.dns-oarc.net/mailman/listinfo/dns-operations _______________________________________________ dns-operations mailing list dns-operations@lists.dns-oarc.net https://lists.dns-oarc.net/mailman/listinfo/dns-operations
