plainletter.us

Last scanned 13h ago; the signed record is unchanged since 5d 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
IPv6 · 96 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 plainletter.us 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 time690 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 7

A2AAAA2NS2SOA1

TLS certificates 0

None.

Subdomains 96

96 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_118b8db505426e0d
Output Hash
9c6ba8017771706e9a0f127c877e0c7978f3e76d143610c1b0b8396d4dea2056
Signature
ed25519:9a77a92f35d4b6b7733418a6a01f0d3874c78c2cdd978dd1407728b9ac4d627867242d324751730b3f3521a4164ec591587af8821ee7b51828c548da515bf602
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT9,388 material changesacross 7,289 domains · 24h to ~2h ago · +1,851 vs yesterdayROTATION56 domains moved DNS from kirklanddc.com to koaladns.com, 48 moved backa rotation loop, not a migration · 24hEMAIL DRIFT2 domains switched email provider24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT1 changed registrar24hNOW556 curated domains not reachablelast probe, steadySITE ERRORS17,766 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,258 sites429 rate-limit / 403 bot-block, a posture signal