jankratochvil.net

Observed Aug 16, 2026, 06:35 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
Secured byLet's Encrypt
Registered withWEDOS Internet, a.s.
Also usesGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for jankratochvil.net 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 jankratochvil.net actually stands on - every host below is a signed observation
jankratochvil.net
A / AAAA
45.136.17.692a02:c202:2190:3425::1
2a02serves the site
NS
vps3.jankratochvil.netvps4.jankratochvil.net
jankratochvil.netanswers its DNS
MX
vps3.jankratochvil.netvps4.jankratochvil.net
jankratochvil.netreceives its email
TLS
jankratochvil.net
Let's Encryptissued its certificate

DNS Records

A 1

  • 45.136.17.69

AAAA 1

  • 2a02:c202:2190:3425::1

MX 2

  • 10vps3.jankratochvil.net
  • 20vps4.jankratochvil.net

TXT 2

  • google-site-verification=JyLd_4Lft-lrgGk3Z53h-mAlCkWXn4_RyJhu1uu5UZg
  • v=spf1 a:vps4.jankratochvil.net a:vps3.jankratochvil.net a:host1.jankratochvil.net a:host2.jankratochvil.net a:pixel8.jankratochvil.net -all

NS 2

  • vps3.jankratochvil.net
  • vps4.jankratochvil.net

SOA 1

  • vps3.jankratochvil.net lace.kratochvil.gmail.com

SRV 2

  • jankratochvil.net:5222 p0
  • jankratochvil.net:5269 p0

CAA 1

  • issue "letsencrypt.org"

TLS Certificates (3)

Common NameIssuerExpires
jankratochvil.net C=US, O=Let's Encrypt, CN=YR1 Fri, 18 Sep 2026 09:03:30 +0000
YR1 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 (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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_9b1f6bf874de6f6b
Output Hash
a4300041a0e7449169514396c6f86bcf965a46f50921b19fb597688596bfebda
Signature
ed25519:265c1442a0cfc04f01feb3cbc0a4990705084d29c389b251937a9104b10637c572afc0224ab6dcd3cb39fc531370ed0aad7b392d431185d7271288fc971c7106
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT40,452 material changesacross 38,568 domains · 24h to ~60m ago · +1,212 vs yesterdayROTATION58 domains moved DNS from koaladns.com to magpiedns.com, 57 moved backa rotation loop, not a migration · 24hEMAIL DRIFT4 domains switched email providertop destination alltheemails.comNOW587 curated domains not reachablelast probe, steadySITE ERRORS35,065 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,455 sites429 rate-limit / 403 bot-block, a posture signal