Zone apex
Start of authority
Email
Serial
2026030401
Refresh
4h
Retry
1h
Expire
30d
Negative cache TTL
1h
Question and response
Question
dig 185-252-90-55.ipv4.tkcsystem.cz. SOA
Answer
The response has no answer records.
Authority
tkcsystem.cz. 3600 SOA ns.forpsi.net. admin.forpsi.com. 2026030401 14400 3600 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0