mail.vxlgdisplay.com has no NS records.
NS records for this zone are defined at vxlgdisplay.com.
NS records for this zone are defined at vxlgdisplay.com.
Question and response
Question
dig mail.vxlgdisplay.com. NS
Answer
The response has no answer records.
Authority
vxlgdisplay.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1772492164 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0