janlavicka.com

Observed Aug 10, 2026, 08:27 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of janlavicka.com was taken 5d ago

janlavicka.com is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting janlavicka.com under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch janlavicka.com Watching a domain needs a DRM3 account. The reading above stays free and public either way.
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Up right now
Runs onCloudflare
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · 1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat janlavicka.com actually stands on - every host below is a signed observation
janlavicka.com
A / AAAA
104.21.31.222172.67.180.62606:4700:3037::6815:1fde2606:4700:3037::ac43:b406
Cloudflareserves the site
NS
cleo.ns.cloudflare.comstevie.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
670c211dcd0e178f.mx1.emailprofi.seznam.cz670c211dcd0e178f.mx2.emailprofi.seznam.cz
seznam.czreceives its email
TLS
janlavicka.com
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.21.31.222
  • 172.67.180.6

AAAA 2

  • 2606:4700:3037::6815:1fde
  • 2606:4700:3037::ac43:b406

MX 2

  • 10670c211dcd0e178f.mx1.emailprofi.seznam.cz
  • 20670c211dcd0e178f.mx2.emailprofi.seznam.cz

TXT 3

  • google-site-verification=lNMDZTJwTcRReZMu4c31zNPMHVZlui5zT_54QZCTKfw
  • v=spf1 include:spf.seznam.cz ~all
  • yandex-verification: 0b21e1ef3d004df7

NS 2

  • cleo.ns.cloudflare.com
  • stevie.ns.cloudflare.com

SOA 1

  • cleo.ns.cloudflare.com dns.cloudflare.com

DMARC_RECORDS 1

  • v=DMARC1; p=none; rua=mailto:dmarc@janlavicka.com

TLS Certificates (3)

Common NameIssuerExpires
janlavicka.com C=US, O=Google Trust Services, CN=WE1 Tue, 03 Nov 2026 14:23:42 +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 (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.

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Ed25519 Receipt

Receipt ID
rcpt_40a2194b31529cea
Output Hash
d4b089c20fbca9571b7e0f0619c79b28b4fa2f2ac5071e60dd03e8723a5e2a50
Signature
ed25519:95afc5de7db07f4e8974ee0a046bb7999deb57b4b778ab264b8f395572c1cc729358e32c9a3c48309248e506f726ffc6829c6086f401c9d635e1a42568f16300
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT46,937 material changesacross 44,999 domains · last 24h · +3,430 vs yesterdayROTATION58 domains moved DNS from koaladns.com to magpiedns.com, 57 moved backa rotation loop, not a migration · 24hNOW494 curated domains not reachablelast probe, steadySITE ERRORS36,503 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,785 sites429 rate-limit / 403 bot-block, a posture signal