americanchimneysweeps.net. 14400 IN SOA	ns1.example.ltd. root.americanchimneysweeps.net. (
				2017040503 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

americanchimneysweeps.net. 14400 IN TXT	"v=spf1 a mx ip4:122.155.3.76 ?all"

americanchimneysweeps.net. 12561 IN A 122.155.3.76

Mail exchangers:
americanchimneysweeps.net. 14400 IN MX 10 mail.americanchimneysweeps.net.

Name servers:
americanchimneysweeps.net. 14400 IN NS ns2.americanchimneysweeps.net.
americanchimneysweeps.net. 14400 IN NS ns1.americanchimneysweeps.net.