usps-estamps.us.	30 IN SOA eaganVANSdns-a.usps.com. domainadmin.imail.usps.gov. (
				708478998  ; serial
				1200       ; refresh (20 minutes)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

usps-estamps.us.	30 IN TXT "v=spf1 -all"

Name servers:
usps-estamps.us.	30 IN NS va141-a.usps.com.
usps-estamps.us.	30 IN NS va82-a.usps.com.