osgeo.org
Observed Jul 18, 2026, 13:45 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onUniversity of Oregon
Secured byLet's Encrypt
Registered withpair Networks, Inc. d/b/a pair Domains
1 subdomain · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat osgeo.org actually stands on - every host below is a signed observation
osgeo.org
A / AAAA
140.211.15.3
University of Oregonserves the site
NS
dora.ns.cloudflare.comjulio.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mail.osgeo.org
osgeo.orgreceives its email
TLS
osgeo.org
Let's Encryptissued its certificate
DNS Records
A 1
140.211.15.3
MX 1
2mail.osgeo.org
TXT 2
v=spf1 include:sendersrv.com mx a:mail.osgeo.org a:lists.osgeo.org ip4:10.36.74.210 a:osgeo7.osgeo.org a:trac.osgeo.org a:osgeo8.osgeo.org a:secure.osgeo.osuosl.org ip4:140.211.15.57 ip4:140.211.15.32 ip4:140.211.15.26 ip4:140.211.15.9 ip4:140.211.15.13 a:web.osgeo9.osgeo.org ip4:140.211.15.14v=DMARC1; p=none; rua=mailto:dmarc@osgeo.org; ruf=mailto:dmarc@osgeo.org; fo=s
NS 2
dora.ns.cloudflare.comjulio.ns.cloudflare.com
SOA 1
dora.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
osgeo.org |
C=US, O=Let's Encrypt, CN=YE2 | Fri, 16 Oct 2026 09:43:28 +0000 |
YE2 |
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
8e5e414b-f84d-4a9e-a370-ebb925dc8954- Output Hash
30e1b96d4f79df8f45bb4a8b7d88eeb6dd498db722cffcf77723cff2948b3698- Signature
ed25519:ffd2de2bffacf2af8cec88ace32c9f5f9e18626004167cb501d40f6b6addbff7f7218f39eb47e4e7d9a1dd8342502e796b4fc83c034cc6137f0f3271e1b7420d- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast