Contents
$ dig account.msa.msidentity.com @NS1-01.AZURE-DNS.COM ; <<>> DiG 9.16.1-Ubuntu <<>> account.msa.msidentity.com @NS1-01.AZURE-DNS.COM ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19728 ;; flags: qr rd cd; QUERY: 1, ANSWER: 0, AUTHORITY: 8, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ;; QUESTION SECTION: ;account.msa.msidentity.com. IN A ;; AUTHORITY SECTION: msa.msidentity.com. 3600 IN NS ns1-06.azure-dns.com. msa.msidentity.com. 3600 IN NS ns2-06.azure-dns.net. msa.msidentity.com. 3600 IN NS ns3-06.azure-dns.org. msa.msidentity.com. 3600 IN NS ns4-06.azure-dns.info. msa.msidentity.com. 3600 IN NS eur2.akam.net. msa.msidentity.com. 3600 IN NS use2.akam.net. msa.msidentity.com. 3600 IN NS usw1.akam.net. msa.msidentity.com. 3600 IN NS ns1-169.akam.net. ;; Query time: 63 msec ;; SERVER: 40.90.4.1#53(40.90.4.1) ;; WHEN: 月 9月 20 09:17:05 JST 2021 ;; MSG SIZE rcvd: 273
akam.net では親と同居。azure-dns は分離。
1. history
msa.msidentity.com. 3600 IN NS eur2.akam.net. msa.msidentity.com. 3600 IN NS use2.akam.net. msa.msidentity.com. 3600 IN NS usw1.akam.net. msa.msidentity.com. 3600 IN NS ns1-169.akam.net.