opentrackr.org
Observed Jul 22, 2026, 00:01 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Runs onServerius Holding B.V
Secured byLet's Encrypt
Registered withKey-Systems GmbH
2 subdomains · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat opentrackr.org actually stands on - every host below is a signed observation
opentrackr.org
A / AAAA
93.158.213.92
Serverius Holding B.Vserves the site
NS
ns0.transip.netns1.transip.nlns2.transip.eu
transip.net + transip.nl + moreanswers its DNS
MX
opentrackr.org
opentrackr.orgreceives its email
TLS
opentrackr.org
Let's Encryptissued its certificate
DNS Records
A 1
93.158.213.92
MX 1
10opentrackr.org
TXT 1
BITTORRENT UDP:1337 TCP:1337
NS 3
ns0.transip.netns1.transip.nlns2.transip.eu
SOA 1
ns0.transip.net hostmaster.transip.nl
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
opentrackr.org |
C=US, O=Let's Encrypt, CN=R13 | Mon, 17 Aug 2026 08:16:32 +0000 |
R13 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 23:59:59 +0000 |
Subdomains (2)
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_06f04c6552ce6475- Output Hash
4d7175a0f04d9c55fdf6509d8562a100ea64687893136cd5b83eb72f7dd089d9- Signature
ed25519:440e216c6d75408bba4903143db9c2213a69b04f9a7dbf8d80ce2ccb167dc51f29013ddae7028efbe0a7f149a542909455ea188a4b41dadf5e7076504d0f7207- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast