ato.cz

Observed Aug 16, 2026, 16:39 UTC (17h 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 onWebglobe
Email byMicrosoft 365
Secured byLet's Encrypt
Registered withREG-WEBSUPPORT
DNSSEC on · 1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for ato.cz 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.

INFRASTRUCTURE MAPwhat ato.cz actually stands on - every host below is a signed observation
ato.cz
A / AAAA
62.109.134.241
Webglobeserves the site
NS
ns1.websupport.czns2.websupport.czns3.websupport.eu
websupport.cz + websupport.euanswers its DNS
MX
ato-cz.mail.protection.outlook.com
Microsoft 365receives its email
TLS
ato.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 62.109.134.241

MX 1

  • 0ato-cz.mail.protection.outlook.com

TXT 2

  • MS=ms62371148
  • v=spf1 mx a ip4:85.70.45.153 include:spf.protection.outlook.com include:_spf.vshosting.cloud include:spf.active24.com ~all

NS 3

  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

SOA 1

  • ns1.websupport.cz admin.websupport.cz

TLS Certificates (3)

Common NameIssuerExpires
ato.cz C=US, O=Let's Encrypt, CN=YR2 Tue, 13 Oct 2026 00:05:32 +0000
YR2 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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 Receipt

Receipt ID
rcpt_367d1d45dffd8fd4
Output Hash
bc009a3bc517a154645eb475f75636c4e3c0920ef9c431148a026150ef3da2fa
Signature
ed25519:25d79ae8f101e9458f59efafc9c5a57219119c437474802111bd66a23ec4a71673ae98afdea2fc1af3435576f58186af2d54d23bfc975bf432e5aaa4e3adab06
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT43,754 material changesacross 41,714 domains · last 24h · +4,514 vs yesterdayROTATION58 domains moved DNS from magpiedns.com to koaladns.com, 55 moved backa rotation loop, not a migration · 24hEMAIL DRIFT7 domains switched email providertop destination alltheemails.comNOW526 curated domains not reachable-65 vs yesterdaySITE ERRORS33,906 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,773 sites429 rate-limit / 403 bot-block, a posture signal