pragmaticinstitute.com

Last scanned 10h ago; the signed record is unchanged since 12d 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 bySendGrid
Secured byGoogle Trust Services
Registered withGoDaddy.com, LLC
Also usesGoogle Search ConsoleMicrosoft 365
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for pragmaticinstitute.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 15

A2NS2MX2TXT8SOA1

TLS certificates 3

Issued byGoogle Trust Services, GlobalSign
ExpiresThu, 12 No (70d)
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_80f6d9e758e072e0
Output Hash
17d3a0ea83f5c4a38cdd38bd3398a2f64f32d44099b6c7c9f8b053c1a0d7ab0c
Signature
ed25519:788988beeefd4968717910f23cbd780ce25bec2f2b788a2bf786881c508797657a7ebe05e670af846cb0f7878483bfa6451013a3de89ebc6b4363d78490e2405
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT30,345 material changesacross 23,701 domains · 24h to ~80m agoROTATION58 domains moved DNS from kirklanddc.com to koaladns.com, 54 moved backa rotation loop, not a migration · 24hCERT DRIFT2 domains switched issuing CA24hREGISTRAR DRIFT3 changed registrar24hNOW608 curated domains not reachablelast probe, steadySITE ERRORS17,395 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,534 sites429 rate-limit / 403 bot-block, a posture signal