Zone apex
Start of authority
Email
Serial
2026021200
Refresh
8h
Retry
1h
Expire
28d
Negative cache TTL
1h
Question and response
Question
dig mx.ntnu.no. SOA
Answer
The response has no answer records.
Authority
ntnu.no. 3600 SOA dnsadmin.itea.ntnu.no. hostmaster.ntnu.no. 2026021200 28800 3600 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0