Question and response
Question
dig smtpout.online.net. NS
Answer
smtpout.online.net. 5 CNAME smtpout-php-dc2.online.net.
Authority
online.net. 3863 SOA nsa.online.net. dnsmaster.te-dns.net. 2026031201 14400 3600 604800 14400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0