Question and response
Question
dig smtp.ip.pt. NS
Answer
smtp.ip.pt. 5 CNAME smtpin1.smail.eu.
Authority
smail.eu. 900 SOA ns1.dnspro.pt. support.sooma.com. 2025121501 1200 180 1209600 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0