Question and response
Question
dig vnptemail.vn. NS
Answer
vnptemail.vn. 3600 NS ns1.vdconline.vn.
vnptemail.vn. 3600 NS ns2.vdconline.vn.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0