uoguelph.ca
Observed Jul 22, 2026, 00:15 UTC (2d 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 onUniversity of Guelph
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uoguelph.ca actually stands on - every host below is a signed observation
uoguelph.ca
A / AAAA
131.104.93.93
University of Guelphserves the site
NS
bay.cs.utoronto.cawillow.net.uoguelph.caobelix.net.uoguelph.caasterix.net.uoguelph.ca+1 more
utoronto.ca + uoguelph.caanswers its DNS
MX
uoguelph-ca.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.uoguelph.ca
Let's Encryptissued its certificate
DNS Records
A 1
131.104.93.93
MX 1
10uoguelph-ca.mail.protection.outlook.com
TXT 19
successfactors-site-verification=ZDViMjg4MDRhZmYyMzc5MWZhMjgwYTZjZTA2MjUxOTg0ZWY5NjVlYTZjMjFmYWYwNjI2ODJlZDljMzA1MTQxMQ==yahoo-verification-key=kmCjlUf7/OAZtdbOM8t253AKYQbEzUSAL9HyvQkYFws=barco-verification=35eea60d-554a-5254-9e70-629143b9283fmapsted-domain-verification=d1f6af2c-6f0d-4ad8-9ec7-6dcd9d3d20e9_uwifz3c8qzhv4m1i7k7o9e24xyu8akzsuccessfactors-site-verification=YmI4YjYxMDU4ZTg5NGRhNGZkZmI5ZDg2YTc0MmY3Y2M3NjVlYzc5MjdjZGUzOGE2OTU4ZmFmNGMwOGQ5ZGJiNA==autodesk-domain-verification=eINbv_qbm6cy7ImcFZ1Tbrevo-code:4000eee172adcc73972d57bee29cb818v=spf1 include:spf.protection.outlook.com include:_spf1.uoguelph.ca include:a._spf.brightspace.com include:spf-ca.exlibrisgroup.com include:_spf02.mykronos.com include:em8155.trendkite.com include:_spf.qualtrics.com include:u15822299.wl050.sendgrid.net ~allMS=ms77298768
NS 5
bay.cs.utoronto.cawillow.net.uoguelph.caobelix.net.uoguelph.caasterix.net.uoguelph.casplitdns.net.uoguelph.ca
SOA 1
asterix.net.uoguelph.ca dnsadmin.uoguelph.ca
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
*.uoguelph.ca |
C=US, O=Let's Encrypt, CN=YR2 | Fri, 02 Oct 2026 11:05:24 +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 |
ISRG Root X1 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Mon, 04 Jun 2035 11:04:38 +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_c4ad9938b65ab3c7- Output Hash
c929d58ad7cfab0f9e25a0cabfa2ac5f6d0ecf634384c79ce1e6bceb11be619b- Signature
ed25519:95b09273ef93a29a6a7de3a85acc9a614a5d853ef6a8d336644ec3494d158a22b7b31c8f00f6c3ce5389bcd7143deeaf296cf8073284cf0ddf0e6d0ca0faa20b- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast