gradesaver.com

Last scanned 22h ago; the signed record is unchanged since 19d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byAmazon
Registered withNetwork Solutions, LLC
Also usesGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for gradesaver.com 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.

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 20

A6NS4MX7TXT2SOA1

TLS certificates 3

Issued byAmazon, Starfield Technologies
ExpiresFri, 27 No (90d)
Certificate nameswithheld

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

Verify this receipt
Ed25519 receiptthe raw cryptographic proof
Receipt ID
rcpt_58382941f7df99f7
Output Hash
eecb36559aaeb9a91cf7655dde2683e1482f0ea8fa6e940b086bc8c01fd9b5c4
Signature
ed25519:cd73c90d43e30d8f4513aa13f2555288077a2f33cc9b17dc23f7d85ec3155939db43c113ffcf98baeb0e481f4ea8d31b06d64314817486a2b6d7baad0d55e604
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT5,227 material changesacross 3,784 domains · 24h to ~3h ago · -2,310 vs yesterdayROTATION53 domains moved DNS from kirklanddc.com to koaladns.com, 51 moved backa rotation loop, not a migration · 24hEMAIL DRIFT2 domains switched email provider24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT2 changed registrar24hNOW543 curated domains not reachablelast probe, steadySITE ERRORS17,764 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,245 sites429 rate-limit / 403 bot-block, a posture signal