Zone apex
Start of authority
Email
Serial
2017971531
Refresh
5m
Retry
2m
Expire
28d
Negative cache TTL
1m
Question and response
Question
dig spfa.microsoftonline.com. SOA
Answer
The response has no answer records.
Authority
microsoftonline.com. 60 SOA ns1-38.azure-dns.com. msnhst.microsoft.com. 2017971531 300 120 2419200 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0