mail4.stortext.com has no NS records.
NS records for this zone are defined at stortext.com.
NS records for this zone are defined at stortext.com.
Question and response
Question
dig mail4.stortext.com. NS
Answer
The response has no answer records.
Authority
stortext.com. 600 SOA ns35.domaincontrol.com. dns.jomax.net. 2024030600 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0