vfax.faster.cz has no NS records.
NS records for this zone are defined at faster.cz.
NS records for this zone are defined at faster.cz.
Question and response
Question
dig vfax.faster.cz. NS
Answer
The response has no answer records.
Authority
faster.cz. 900 SOA inet.faster.cz. hostmaster.faster.cz. 2026031214 16384 2048 1209600 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0