sales.is.		30 IN SOA ns-1967.awsdns-53.co.uk. awsdns-hostmaster.amazon.com. (
				1          ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

sales.is.		30 IN TXT "v=spf1 a mx -all"

Mail exchangers:
sales.is.		30 IN MX 10 mail.sales.is.

Name servers:
sales.is.		30 IN NS ns-1267.awsdns-30.org.
sales.is.		30 IN NS ns-1967.awsdns-53.co.uk.
sales.is.		30 IN NS ns-383.awsdns-47.com.
sales.is.		30 IN NS ns-611.awsdns-12.net.