Question and response
Question
dig imap.fueber.org. NS
Answer
imap.fueber.org. 5 CNAME mailbox.node4web.at.
Authority
node4web.at. 3600 SOA nsx.fueber.org. dnsadmin.fueber.org. 2026012002 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0