clarkson.edu
Observed 2026-07-18T13:51:09.035221231+00:00 (6h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onFastly
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesZoomFacebook/MetaGoogle Search Console
IPv6 · 3 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat clarkson.edu actually stands on - every host below is a signed observation
clarkson.edu
A / AAAA
23.185.0.42620:12a:8001::42620:12a:8000::4
Fastlyserves the site
NS
ns-6.awsdns-00.comns-719.awsdns-25.netns-cloud-c1.googledomains.comns-cloud-c2.googledomains.com
awsdns-00.com + awsdns-25.net + moreanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
clarkson.edu
Let's Encryptissued its certificate
DNS Records
A 1
23.185.0.4
AAAA 2
2620:12a:8001::42620:12a:8000::4
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 16
DirectFedAuthUrl=https://cas.clarkson.edu/cas/idp/profile/SAML2/Redirect/SSOZOOM_verify_NCt2kq5iTaSwCOHM7O3ubA_prh7mwe4mc8s1mzk6u2n8a9srxd3h8jadobe-idp-site-verification=e23a0fae4f7c2a67b869a4cf4163941da9f508cdf6f5dd58684d1819bba28119apple-domain-verification=8gorWVCcHweKGr8Uautodesk-domain-verification=d9roUX-vV-l5O8LmpO_kfacebook-domain-verification=vy7phekpp3h146ybum8u3mqf7e70eggoogle-site-verification=OiQN9YKG9UmITG9_tYrZRO87cR6pBW0ZpB5BUYQ1Tjggoogle-site-verification=XWpIJyGL98lv2ZvYwwR7R9jBqsGrw5ok6YEJbOJlta0google-site-verification=_77LGyfZ1rzd4xlybnO8orF2c3Kgjg7q5i8nwgUFdSs
NS 4
ns-6.awsdns-00.comns-719.awsdns-25.netns-cloud-c1.googledomains.comns-cloud-c2.googledomains.com
SOA 1
ns-719.awsdns-25.net awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
clarkson.edu |
C=US, O=Let's Encrypt, CN=YR2 | Mon, 05 Oct 2026 22:29:02 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (3)
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
f59f27c8-4e7e-4878-a352-1529835fbe36- Output Hash
b6e722d68c8bd90dc5c68417c3047c809be334d74c2aac8995a57ea5a06c2c62- Signature
ed25519:c547dfece9f016d2b81d86d2f595d77bd50248ab9236da11c2a9e33a24ff786fead5e737e2c9d0817616b02a9bedf51e1e1797b0d8555817c0987a058788440f- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast