.edu

.edu is a generic top-level domain managed by EDUCAUSE.

Registry facts

TLD	`.edu`
Type	Generic
TLD manager	EDUCAUSE
IANA status	Active
Script	Latn
RDAP server	None listed in the IANA bootstrap registry (use WHOIS)
IANA record	iana.org/domains/root/db/edu

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.

125.edu domains measuredof 9,971 in the sample

18.4%signed with DNSSEC

61.6%enforce DMARC

62.7%send HSTSof those answering on HTTPS

.edu domains compared with the whole sample

Accent bars: 125 .edu domains. Grey bars: all 9,971 measured domains.

DNSSEC signed 18.4%

all measured 10.6%

SPF record 99.2%

all measured 75.7%

DMARC record 99.2%

all measured 68.0%

DMARC enforced 61.6%

all measured 50.9%

CAA record 18.4%

all measured 20.7%

MTA-STS 4.0%

all measured 3.0%

TLS 1.3 65.9%

all measured 84.9%

HSTS 62.7%

all measured 56.4%

DNS providers

Akamai Edge DNS 9.6%

DNS Made Easy 3.2%

Amazon Route 53 3.2%

Cloudflare DNS 3.2%

Azure DNS 2.4%

Oracle Cloud Infrastructure DNS 0.8%

Email providers

Microsoft 365 (Exchange Online) 42.4%

Proofpoint 22.4%

Google Workspace 10.4%

Cisco Secure Email (IronPort) 4.0%

Mimecast 1.6%

Cloudflare Email Security 0.8%

Certificate authorities

Internet2 28.8%

Let's Encrypt 20.0%

InCommon, LLC 16.8%

Sectigo 11.2%

Amazon Trust Services 8.8%

DigiCert 4.8%

Popular .edu domains in the sample

mit.eduharvard.edustanford.educornell.eduberkeley.eduacademia.eduprinceton.eduwashington.eduumich.educolumbia.eduwisc.eduyale.edu

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 .gov · 114 .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.