guestmail.com.		30 IN SOA ns-2016.awsdns-60.co.uk. awsdns-hostmaster.amazon.com. (
				1          ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

guestmail.com.		30 IN TXT " "

Name servers:
guestmail.com.		30 IN NS ns-1322.awsdns-37.org.
guestmail.com.		30 IN NS ns-2016.awsdns-60.co.uk.
guestmail.com.		30 IN NS ns-37.awsdns-04.com.
guestmail.com.		30 IN NS ns-702.awsdns-23.net.