chabotcollege.edu

Observed Aug 20, 2026, 04:52 UTC (23h 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 onCloudflare
Email byMicrosoft 365
Secured bySectigo
Also usesAdobe
7 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for chabotcollege.edu in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

HTTPS probe

Up Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time263 ms
DNS resolutionNOERROR

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

SIGNED-OUT VIEW Provider names, posture and counts are shown. The record values - every DNS answer, each subdomain hostname, raw TXT, IPs, cert names and WHOIS - are the product. Sign in for the full signed record, or use the API with a key.

DNS records 13

A1NS4MX1TXT6SOA1

TLS certificates 6

Issued bySectigo, Amazon, Let's Encrypt
Expires2026-09-07 (17d)
Certificate nameswithheld

Subdomains 7

7 subdomain hostnames observed and signed - the list itself is part of the paid record.

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; the only network request the check makes is for the published public keys.

Verify this receipt
Ed25519 receiptthe raw cryptographic proof
Receipt ID
rcpt_b86545333393914e
Output Hash
a6cbe1247dd9cfcad2d3c9ec9dd9d23f40fbfc1b861d204bd9326a4ee81640eb
Signature
ed25519:bd0aa65e404e25a467bfe6835e9868e1ceb20d589d3aa0c7937448da65c24fc01718d204ae3260ad480c6743c9105b1d17ce5d059d59303a42367d5c2ce6b408
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT2,698 material changes on watched domainsacross 149 domains · last 24h · the catalog-wide count is re-measuringROTATION79 domains moved DNS from koaladns.com to kirklanddc.com, 73 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT5 changed registrar24hNOW197 curated domains not reachablelast probe, steadySITE ERRORS17,815 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 77,723 sites429 rate-limit / 403 bot-block, a posture signal