CONTINUOUS INTERNET TELEMETRY24H DRIFT191 material changesacross 152 domains · -467 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,867 curated domains not answering+1,038 vs yesterdayERRORS25,090 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED71,516 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT191 material changesacross 152 domains · -467 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,867 curated domains not answering+1,038 vs yesterdayERRORS25,090 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED71,516 throttled or blocked our scanner429 rate-limit / 403 bot-block

tsc.ca

Observed Jul 19, 2026, 10:29 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byMicrosoft 365
Also usesFacebook/Meta
3 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat tsc.ca actually stands on - every host below is a signed observation
tsc.ca
A / AAAA
23.203.214.19
Cloudflareserves the site
NS
a3-64.akam.neta9-67.akam.neta8-66.akam.neta22-67.akam.net+2 more
akam.netanswers its DNS
MX
tsc-ca.mail.protection.outlook.com
Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.tsc.ca/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time154 ms
DNS resolutionNOERROR
Redirect chain
https://www.tsc.ca/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

  • 23.203.214.19

MX 1

  • 0tsc-ca.mail.protection.outlook.com

TXT 6

  • _kfp8fg0wp4dployfyeuvnixlo5cpe28
  • facebook-domain-verification=876c1z006f2jlzka3jtcorfa6ks30o
  • v=spf1 include:spf.protection.rci.rogers.com include:em4684.tsc.ca ~all
  • _f4gjx7qsaixvh2uautjrr6rxn1gn09d
  • MS=ms93753272
  • v=DMARC1;p=none;pct=100;rua=mailto:DMARC.Failures@rci.rogers.com

NS 6

  • a3-64.akam.net
  • a9-67.akam.net
  • a8-66.akam.net
  • a22-67.akam.net
  • a1-220.akam.net
  • a6-65.akam.net

SOA 1

  • a3-64.akam.net hostmaster.akamai.com

TLS Certificates (0)

None.

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 receipt

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

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

Ed25519 Receipt

Receipt ID
c08cac1c-30ce-4c0b-82aa-859c060a6ef8
Output Hash
eddca9a7da95b112111a94fbfe663d7b111ce4429fd2f426c79b3e481390e4df
Signature
ed25519:d49e6641a8fe5cda85c03f2d44d55c7576d513dd45656855718b49789fabf9cccfce189902128787f621f43218cf078e7035f36415806f3f7d764561d145dd0d
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser