CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 35,866 material changesacross 35,253+ domains · 24h to ~4h ago · a floor, 20h of 24 walkedNOW561 curated domains not reachablelast probe, steadySITE ERRORS34,438 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,732 sites429 rate-limit / 403 bot-block, a posture signal

ursu.ca

Observed Jul 26, 2026, 08:55 UTC (7d 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
Email byGoogle Workspace
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ursu.ca actually stands on - every host below is a signed observation
ursu.ca
A / AAAA
138.197.141.102
unattributedserves the site
NS
ns1.netfirms.comns2.netfirms.com
netfirms.comanswers its DNS
MX
alt4.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email

DNS Records

A 1

  • 138.197.141.102

MX 5

  • 10alt4.aspmx.l.google.com
  • 1aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 2

  • v=spf1 include:_spf.google.com include:spf.mandrillapp.com ~all
  • v=DMARC1; p=none;

NS 2

  • ns1.netfirms.com
  • ns2.netfirms.com

SOA 1

  • ns1.netfirms.com dnsadmin.netfirms.com

TLS Certificates (0)

None.

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 ursu.ca. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_504a87f56e7942fd
Output Hash
88aec5c61e24711e7cf4b1e6dde21c595a5f5e4372e8b027428388916a0e2273
Signature
ed25519:2872f41df47919b7ffcad2195bc286324b79f6f7f4a67774338268e2d0da759aa32b189d88c7f945e309e24b4d649a3ed0d0029b7b30bd5ec9b8a59272c01307
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser