Zone apex
Start of authority
Email
Serial
2603212111
Refresh
15m
Retry
5m
Expire
7d
Negative cache TTL
15m
Question and response
Question
dig cat. SOA
Answer
cat. 900 SOA anyc1.irondns.net. dnsmaster.corenic.org. 2603212111 900 300 604800 900
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0