Question and response
Question
dig viettel.vn. HTTPS
Answer
The response has no answer records.
Authority
viettel.vn. 86400 SOA dns1.vietel.com.vn. admin\@vietel.com.vn. 2026022601 10800 3600 604800 86400
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0