nixos.org
Observed Jul 18, 2026, 12:01 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onAmazon
Secured byLet's Encrypt
Registered withGandi SAS
Also usesGoogle Search Console
1 subdomain · open_source
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nixos.org actually stands on - every host below is a signed observation
nixos.org
A / AAAA
75.2.60.599.83.231.61
Amazonserves the site
NS
ns-161-c.gandi.netns-177-a.gandi.netns-61-b.gandi.net
gandi.netanswers its DNS
MX
umbriel.nixos.org
nixos.orgreceives its email
TLS
nixos.org
Let's Encryptissued its certificate
DNS Records
A 2
75.2.60.599.83.231.61
MX 1
10umbriel.nixos.org
TXT 5
apple-domain-verification=OvacO4lGB9A6dBFgv=spf1 a:umbriel.nixos.org -allbrevo-code:f580a125e215ecb440363a15cdf47a17google-site-verification=Pm5opvmNjJOwdb7JnuVJ_eFBPaZYWNcAavY-08AJoGcv=DMARC1; p=none
NS 3
ns-161-c.gandi.netns-177-a.gandi.netns-61-b.gandi.net
SOA 1
ns1.gandi.net hostmaster.gandi.net
CAA 3
issue "letsencrypt.org"iodef "mailto:infra+caa@nixos.org"issuewild ""
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
nixos.org |
C=US, O=Let's Encrypt, CN=YE1 | Fri, 02 Oct 2026 18:43:47 +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 (1)
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
dd297c66-2b56-4f7d-a02f-186cf53bfa4e- Output Hash
03754b469d6847042e239d8807bf0cb86208c22e4142ab04f1418c46ccac26de- Signature
ed25519:06cb010cad5998eb1103d6f76134eb8883c7ef9d818d452c44f5fb746f6c8703a260ac44291f743552a262829874b5abe53c29834f1416dba39f67316e078006- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast