watchNS/microsoftonline.comについて、ここに記述してください。
$ dnsq ns login.microsoftonline.com a.gtld-servers.net 2 login.microsoftonline.com: 453 bytes, 1+0+8+12 records, response, noerror query: 2 login.microsoftonline.com authority: microsoftonline.com 172800 NS ns3.msft.net authority: microsoftonline.com 172800 NS ns1.msft.net authority: microsoftonline.com 172800 NS ns2.msft.net authority: microsoftonline.com 172800 NS ns4.msft.net authority: microsoftonline.com 172800 NS ns1a.o365filtering.com authority: microsoftonline.com 172800 NS ns2a.o365filtering.com authority: microsoftonline.com 172800 NS ns4a.o365filtering.com authority: microsoftonline.com 172800 NS ns3a.o365filtering.com additional: ns3.msft.net 172800 A 193.221.113.53 additional: ns3.msft.net 172800 28 &\040\000\000\0004\000\000\000\000\000\000\000\000\000S additional: ns1.msft.net 172800 A 208.84.0.53 additional: ns1.msft.net 172800 28 &\040\000\000\0000\000\000\000\000\000\000\000\000\000S additional: ns2.msft.net 172800 A 208.84.2.53 additional: ns2.msft.net 172800 28 &\040\000\000\0002\000\000\000\000\000\000\000\000\000S additional: ns4.msft.net 172800 A 208.76.45.53 additional: ns4.msft.net 172800 28 &\040\000\000\0007\000\000\000\000\000\000\000\000\000S additional: ns1a.o365filtering.com 172800 A 157.56.110.11 additional: ns2a.o365filtering.com 172800 A 157.56.116.52 additional: ns4a.o365filtering.com 172800 A 157.55.133.11 additional: ns3a.o365filtering.com 172800 A 104.47.124.7
$ dnsq ns login.microsoftonline.com ns1.msft.net 2 login.microsoftonline.com: 92 bytes, 1+1+0+0 records, response, authoritative, noerror query: 2 login.microsoftonline.com answer: login.microsoftonline.com 3600 CNAME login.microsoftonline.com.nsatc.net