sak.ch

Observed Aug 25, 2026, 04:06 UTC (22h 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
Also usesSwissSignSophosHave I Been PwnedAtlassian
5 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 sak.ch 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 12

A1NS2MX1TXT7SOA1

TLS certificates 4

Issued byLet's Encrypt
ExpiresWed, 14 Oc (49d)
Certificate nameswithheld

Subdomains 3

3 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_05d6395a432cef08
Output Hash
903b93877aea110257b6584f2130d4e333367fd928cc07786ce5c4a9747d14be
Signature
ed25519:b5dabbf72ae1324e9ed04b7c122ea876b66c0387c52e78d491d3a0c3253d4cc4907548bab21920afe4bcbb7e717e8392fc5449ecf36f873af6e458ff57699c06
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT4,060 material changesacross 2,664 domains · 24h to ~4h ago · -339 vs yesterdayDNS DRIFT95 domains changed DNS providertop destination koaladns.com · -1 vs yesterdayEMAIL DRIFT2 domains switched email provider24hREGISTRAR DRIFT1 changed registrar24hNOW530 curated domains not reachablelast probe, steadySITE ERRORS17,727 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,682 sites429 rate-limit / 403 bot-block, a posture signal