CONTINUOUS INTERNET TELEMETRY24H DRIFT12,506 material changesacross 11,734 domains · 24h to ~65m ago · +3,743 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

doktor.cz

Observed Aug 3, 2026, 03:27 UTC (7h 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.

Verify this receipt yourself + Watch this domain
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat doktor.cz actually stands on - every host below is a signed observation
doktor.cz
A / AAAA
172.67.179.150104.21.18.172606:4700:3031::ac43:b3962606:4700:3034::6815:1211
Cloudflareserves the site
NS
emely.ns.cloudflare.comsonny.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
ASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COMASPMX2.GOOGLEMAIL.COM+3 more
Google Workspacereceives its email
TLS
doktor.cz
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 172.67.179.150
  • 104.21.18.17

AAAA 2

  • 2606:4700:3031::ac43:b396
  • 2606:4700:3034::6815:1211

MX 7

  • 10ASPMX.L.GOOGLE.COM
  • 20ALT1.ASPMX.L.GOOGLE.COM
  • 20ALT2.ASPMX.L.GOOGLE.COM
  • 30ASPMX2.GOOGLEMAIL.COM
  • 30ASPMX3.GOOGLEMAIL.COM
  • 30ASPMX4.GOOGLEMAIL.COM
  • 30ASPMX5.GOOGLEMAIL.COM

TXT 1

  • google-site-verification=Ybqd9z2fWfJET6wkH4I-dIxTmpCGco25WmZPVZo8eG4

NS 2

  • emely.ns.cloudflare.com
  • sonny.ns.cloudflare.com

SOA 1

  • emely.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
doktor.cz C=US, O=Google Trust Services, CN=WE1 Wed, 30 Sep 2026 23:41:14 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +0000

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; nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_ed28211d24be4cee
Output Hash
7500175cb7322d724050ea394ff81d24dd3dc1be244550ba1c189454b61b0aa2
Signature
ed25519:a0e7db1270c12ecdf73be027e6752833316938f16ea8842ca5f614765d05947637dc5d78041bde74eca7f4c7a0743ae5990f7acba9dedff0d0a1d9227022710d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser