robocup-cn.org
Observed Jul 29, 2026, 09:13 UTC (11h 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.
Not responding
Secured byLet's Encrypt
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat robocup-cn.org actually stands on - every host below is a signed observation
robocup-cn.org
A / AAAA
172.67.180.217104.21.83.1872606:4700:3034::6815:53bb2606:4700:3034::ac43:b4d9
2606serves the site
NS
austin.ns.cloudflare.comkallie.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
robocup-cn.org
Let's Encryptissued its certificate
DNS Records
A 2
172.67.180.217104.21.83.187
AAAA 2
2606:4700:3034::6815:53bb2606:4700:3034::ac43:b4d9
NS 2
austin.ns.cloudflare.comkallie.ns.cloudflare.com
SOA 1
austin.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
robocup-cn.org |
C=US, O=Let's Encrypt, CN=YE1 | Sun, 18 Oct 2026 08:46:21 +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_9d11e4d92bb7f959- Output Hash
8c0e24b2e46364dec78c2e32f908cda1180ebdbea205d9435c481ab62b3ccd65- Signature
ed25519:b1846f6bfb2c88cd6517ed4d9ffd9f51184cb613283a2997882802c3d603128d604a364b1edee86790d4bae123bd09ea0189f7d78c6a4a8efdd096940f9edf08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast