Zone apex
Start of authority
Email
Serial
2020030592
Refresh
24m
Retry
1h
Expire
30d
Negative cache TTL
10m
Question and response
Question
dig mx.getcourse.ru. SOA
Answer
The response has no answer records.
Authority
getcourse.ru. 600 SOA ns3-l2.nic.ru. dns.nic.ru. 2020030592 1440 3600 2592000 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0