smtp.doc.gov DNS records

A IPv4 address

U.S. Department of Commerce, HQ and ITA

AS33343

United States of America

Washington, District of Columbia

AAAA IPv6 address

30m

smtp.doc.gov has no AAAA records.

CNAME Canonical name

29m 54s

smtp.doc.gov has no CNAME records.

TXT Human readable text

SPF

Sender policy

v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]

MX Mail server

30m

smtp.doc.gov has no MX records.

NS Authoritative DNS server

30m

smtp.doc.gov has no NS records.
NS records for this zone are defined at doc.gov.

SOA Start of authority

30m

Zone apex

Start of authority

Serial

2397266244

Refresh

2h 46m 40s

Retry

40m

Expire

Negative cache TTL

30m

Other record types