eff.org
Observed Jul 21, 2026, 19:15 UTC (5h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onUnwired
Email byMicrosoft 365
Secured byLet's Encrypt
Registered withGandi SAS
Also usesGoogle Search Console
non_profit
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat eff.org actually stands on - every host below is a signed observation
eff.org
A / AAAA
173.239.79.200
Unwiredserves the site
NS
ns1.eff.orgns2.eff.orgns4.eff.org
eff.organswers its DNS
MX
eff-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
eff.org
Let's Encryptissued its certificate
DNS Records
A 1
173.239.79.200
MX 1
0eff-org.mail.protection.outlook.com
TXT 7
ms-domain-verification=55064e24-4bc6-4f21-a39c-f9c0b295f3f3v=spf1 mx ip4:173.239.79.202 include:spf1.eff.org include:spf2.eff.org include:spf.protection.outlook.com include:salsalabs.org -allgoogle-site-verification=Xqf-4VNlMzsu7X8mmX33O3jdZcvFavWtZen9xLBZ5S4v=DMARC1; p=none; rua=mailto:dmarc_rua@eff.org; ruf=mailto:dmarc_ruf@eff.org;v=spf1 a -allv=spf1 a -allv=spf1 a -all
NS 3
ns1.eff.orgns2.eff.orgns4.eff.org
SOA 1
ns1.eff.org hostmaster.eff.org
CAA 7
iodef "mailto:caa@eff.org"issuewild "ssl.com"issuewild "letsencrypt.org"issue "comodoca.com"issue "ssl.com"issuewild "comodoca.com"issue "letsencrypt.org"
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
eff.org |
C=US, O=Let's Encrypt, CN=YE1 | Tue, 29 Sep 2026 18:43:23 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (0)
None observed.
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_8ac6848d0e7d8606- Output Hash
50a11d835ab611e82cee765316ff9d100c1b9a62966cc97f45e0cacf98e4d884- Signature
ed25519:2b79bf31735a2c340352bbaeb2d29dc242c16ec3303bfcc9f26eb1702172b5ed4d98420331629f079c4347c4e68fc90fa008b75dd44a0bc36d80965b57cedf0b- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast