Zone apex
Start of authority
Email
Serial
2397466684
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m
Question and response
Question
dig mxbackup2.sbservers.cz. SOA
Answer
The response has no answer records.
Authority
sbservers.cz. 1800 SOA darwin.ns.cloudflare.com. dns.cloudflare.com. 2397466684 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0