mail.csg.premiumit.com has no NS records.
NS records for this zone are defined at premiumit.com.
NS records for this zone are defined at premiumit.com.
Question and response
Question
dig mail.csg.premiumit.com. NS
Answer
The response has no answer records.
Authority
premiumit.com. 7200 SOA ns1.dnsbycomodo.net. admin.dns.com. 2026022701 10800 864000 7200 7200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0