CONTINUOUS INTERNET TELEMETRY24H DRIFT10,141 material changesacross 9,714 domains · -488 vs yesterdayDNS DRIFT660 domains changed DNS providertop destination parity.domains · -120 vs yesterdayEMAIL DRIFT192 domains switched email providertop destination outlook.com · +22 vs yesterdayCERT DRIFT232 domains switched issuing CA24h · +2 vs yesterdayNOW699 curated domains not reachable-650 vs yesterdaySITE ERRORS17,993 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED96,296 throttled or blocked our scanner429 rate-limit / 403 bot-block

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-5254-9e70-629143b9283f
  • mapsted-domain-verification=d1f6af2c-6f0d-4ad8-9ec7-6dcd9d3d20e9
  • _uwifz3c8qzhv4m1i7k7o9e24xyu8akz
  • successfactors-site-verification=YmI4YjYxMDU4ZTg5NGRhNGZkZmI5ZDg2YTc0MmY3Y2M3NjVlYzc5MjdjZGUzOGE2OTU4ZmFmNGMwOGQ5ZGJiNA==
  • autodesk-domain-verification=eINbv_qbm6cy7ImcFZ1T
  • brevo-code:4000eee172adcc73972d57bee29cb818
  • v=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 ~all
  • MS=ms77298768

NS 5

  • bay.cs.utoronto.ca
  • willow.net.uoguelph.ca
  • obelix.net.uoguelph.ca
  • asterix.net.uoguelph.ca
  • splitdns.net.uoguelph.ca

SOA 1

  • asterix.net.uoguelph.ca dnsadmin.uoguelph.ca

TLS Certificates (4)

Common NameIssuerExpires
*.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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for uoguelph.ca. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for uoguelph.ca <a href="https://domaindrift.io/t/uoguelph.ca"> <img src="https://domaindrift.io/badge/uoguelph.ca.svg" width="300" height="64" alt="DomainDrift signed observations for uoguelph.ca"> </a>

Ed25519 Receipt

Receipt ID
rcpt_c4ad9938b65ab3c7
Output Hash
c929d58ad7cfab0f9e25a0cabfa2ac5f6d0ecf634384c79ce1e6bceb11be619b
Signature
ed25519:95b09273ef93a29a6a7de3a85acc9a614a5d853ef6a8d336644ec3494d158a22b7b31c8f00f6c3ce5389bcd7143deeaf296cf8073284cf0ddf0e6d0ca0faa20b
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser