Question and response
Question
dig ubuntu-mirror.totbb.net. NS
Answer
ubuntu-mirror.totbb.net. 5 CNAME mirror1.totbb.net.
Authority
totbb.net. 5221 SOA ns1.totbb.net. root.totbb.net. 2026012201 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0