certain.com

Observed Aug 20, 2026, 08:32 UTC (12h 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
Registered withNetwork Solutions, LLC
Also usesGoogle Search ConsoleAdobe SignLovableOneTrustZoomSage IntacctGlobalSignAtlassian
13 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 certain.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.

HTTPS probe

Redirects Redirecting (3xx) 302 → https://www.certain.com/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time569 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 26

A1NS6MX1TXT17SOA1

TLS certificates 0

None.

Subdomains 13

13 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_800448cc25cc11da
Output Hash
19874b7323aba972d81bf00e000cac2de0b9e27bee475f71442d8c438ff78979
Signature
ed25519:03cf6961c651a994a4430380d3320fad53e8cba5239b5ee9d8615e1febbb22575481218499391c9fc01604038af8fd33558a568d9ca9b8069bb5264215e5470b
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT12,679 material changesacross 10,593 domains · 24h to ~18h ago · +6,017 vs yesterdayROTATION74 domains moved DNS from kirklanddc.com to koaladns.com, 73 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT4 changed registrar24hNOW186 curated domains not reachable+66 vs yesterdaySITE ERRORS17,781 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 77,923 sites429 rate-limit / 403 bot-block, a posture signal