Zone apex
Start of authority
Email
Serial
2026010601
Refresh
4h
Retry
1h
Expire
41d 16h
Negative cache TTL
5m
Question and response
Question
dig mx3.atcomp.cz. SOA
Answer
The response has no answer records.
Authority
atcomp.cz. 300 SOA ns6.atcomp.cz. hostmaster.atcomp.cz. 2026010601 14400 3600 3600000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0