Zone apex
Start of authority
Email
Serial
2020012650
Refresh
2h
Retry
1h
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig mx4.sophos.com. SOA
Answer
The response has no answer records.
Authority
sophos.com. 300 SOA asia1.akam.net. hostmaster.sophos.com. 2020012650 7200 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0