mail.delldatasafe.com has no NS records.
NS records for this zone are defined at delldatasafe.com.
NS records for this zone are defined at delldatasafe.com.
Question and response
Question
dig mail.delldatasafe.com. NS
Answer
The response has no answer records.
Authority
delldatasafe.com. 3314 SOA dns1.safenames.com. hostmaster.safenames.net. 2025121200 28800 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0