6633.squalomail.com has no NS records.
NS records for this zone are defined at squalomail.com.
NS records for this zone are defined at squalomail.com.
Question and response
Question
dig 6633.sqm-secure.eu. NS
Answer
The response has no answer records.
Authority
sqm-secure.eu. 3600 SOA ns1.itars.eu. hostmaster.itars.eu. 2026031200 7200 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0