Question and response
Question
dig mail6253.m.fastwebmail.com. A
Answer
mail6253.m.fastwebmail.com. 3600 A 208.85.50.230
Authority
fastwebmail.com. 172800 NS ns-1157.awsdns-16.org.
fastwebmail.com. 172800 NS ns-1883.awsdns-43.co.uk.
fastwebmail.com. 172800 NS ns-26.awsdns-03.com.
fastwebmail.com. 172800 NS ns-745.awsdns-29.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0