mailings.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 admin.squalomail.net. NS
Answer
The response has no answer records.
Authority
squalomail.net. 60 SOA ns1.itars.eu. hostmaster.itars.eu. 2025102806 60 60 604800 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0