Zone apex
Start of authority
Email
vdconline@tld
Serial
2026021164
Refresh
8h
Retry
2h
Expire
14d
Negative cache TTL
1h
Question and response
Question
dig vnptemail.vn. SOA
Answer
vnptemail.vn. 3600 SOA ns1.vdconline.vn. vdconline.tld. 2026021164 28800 7200 1209600 3600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0