mail3.2e2.com has no NS records.
NS records for this zone are defined at 2e2.com.
NS records for this zone are defined at 2e2.com.
Question and response
Question
dig mail3.2e2.com. NS
Answer
The response has no answer records.
Authority
2e2.com. 86400 SOA auth1.dns.gxn.net. hostmaster.daisygroup.com. 2025060513 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0