Hi, On Fri, Aug 13, 2021 at 01:19:47PM +1000, Mark Andrews wrote: > > ha.office365.com is being delegated to > > > > ha.office365.com. 300 IN NS tm2.edgedns-tm.info. > > ha.office365.com. 300 IN NS tm1.edgedns-tm.info. > > ha.office365.com. 300 IN NS ns2-ms-acdc.office.com. > > ha.office365.com. 300 IN NS ns1-ms-acdc.office.com. > > ha.office365.com. 300 IN NS ns4-ms-acdc.office.com. > > ha.office365.com. 300 IN NS ns3-ms-acdc.office.com. > > > > but tm1.edgedns-tm.info and tm2.edgedns-tm.info are returning invalid > > negative responses for outlook.ha.office365.com/HTTPS
That zone also has a non-standard start of authority RNAME field. $ dig ha.office365.com. SOA +norec @ns1-ms-acdc.office.com. ; <<>> DiG 9.10.6 <<>> ha.office365.com. SOA +norec @ns1-ms-acdc.office.com. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32194 ;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1224 ;; QUESTION SECTION: ;ha.office365.com. IN SOA ;; ANSWER SECTION: ha.office365.com. 60 IN SOA ns1-ms-acdc.office.com. hostmaster\@microsoft.com. 2021081106 900 600 86400 60 ;; ADDITIONAL SECTION: ns1-ms-acdc.office.com. 1220 IN A 13.107.244.2 ;; Query time: 54 msec ;; SERVER: 13.107.244.2#53(13.107.244.2) ;; WHEN: Fri Aug 13 09:50:07 BST 2021 ;; MSG SIZE rcvd: 137 Unsure if this is a mistake, and it should be hostmaster.microsoft.com., or if it's intentional because that email address doesn't actually work... -- Charlie Jonas ~chtjonas _______________________________________________ dns-operations mailing list [email protected] https://lists.dns-oarc.net/mailman/listinfo/dns-operations
