.gov

.gov is a generic top-level domain managed by Cybersecurity and Infrastructure Security Agency.

Registry facts

TLD	`.gov`
Type	Generic
TLD manager	Cybersecurity and Infrastructure Security Agency
IANA status	Active
Script	Latn
RDAP server	`https://rdap.nic.gov/rdap/`
IANA record	iana.org/domains/root/db/gov

IANA data: TLD list Version 2026111000, Last Updated Tue Nov 10 07:07:01 2026 UTC; RDAP bootstrap published 2026-10-28; Root Zone Database fetched 2026-11-11.

114.gov domains measuredof 9,971 in the sample

83.3%signed with DNSSEC

82.5%enforce DMARC

82.9%send HSTSof those answering on HTTPS

.gov domains compared with the whole sample

Accent bars: 114 .gov domains. Grey bars: all 9,971 measured domains.

DNSSEC signed 83.3%

all measured 10.6%

SPF record 97.4%

all measured 75.7%

DMARC record 99.1%

all measured 68.0%

DMARC enforced 82.5%

all measured 50.9%

CAA record 22.8%

all measured 20.7%

MTA-STS 3.6%

all measured 3.0%

TLS 1.3 72.5%

all measured 84.9%

HSTS 82.9%

all measured 56.4%

DNS providers

Akamai Edge DNS 28.9%

Cloudflare DNS 16.7%

UltraDNS (DigiCert) 1.8%

Azure DNS 1.8%

Google Cloud DNS 1.8%

Amazon Route 53 1.8%

Email providers

Microsoft 365 (Exchange Online) 30.7%

Proofpoint 9.6%

Google Workspace 7.0%

Barracuda Email Protection 0.9%

Mimecast 0.9%

Certificate authorities

DigiCert 45.6%

Let's Encrypt 11.4%

Amazon Trust Services 10.5%

Google Trust Services 8.8%

Entrust 7.0%

Sectigo 6.1%

Popular .gov domains in the sample

nih.govnist.govcdc.govnasa.govnoaa.govca.govmaricopa.govloc.govfda.govusda.govepa.govstate.gov

Check one yourself:

WHOIS lookup Inspect DNSSEC Check SSL certificate

Other TLDs in the sample

.com · 5078 .net · 785 .org · 434 .ru · 291 .io · 206 .jp · 202 .de · 181 .edu · 125 .in · 107 .br · 106

Source: our own scan of November 2026 (2026-11-11), 9,971 of the top 10,000 domains of the Tranco list Y895G that answered in DNS. Method and data.