CONTINUOUS INTERNET TELEMETRY24H DRIFT31,420 material changesacross 29,745 domains · last 24hSHIFT20 domains moved DNS from brainydns.com to koaladns.coma coordinated move · 24hNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,183 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,263 sites429 rate-limit / 403 bot-block, a posture signal

vesmir.cz

Observed Aug 3, 2026, 10:10 UTC (14h 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.

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Secured byLet's Encrypt
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat vesmir.cz actually stands on - every host below is a signed observation
vesmir.cz
A / AAAA
81.2.216.230
unattributedserves the site
NS
ns.forpsi.czns.forpsi.itns.forpsi.net
forpsi.cz + forpsi.it + moreanswers its DNS
MX
eda42f197dafaaa1.mx2.emailprofi.seznam.czeda42f197dafaaa1.mx1.emailprofi.seznam.cz
seznam.czreceives its email
TLS
vesmir.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 81.2.216.230

MX 2

  • 10eda42f197dafaaa1.mx2.emailprofi.seznam.cz
  • 20eda42f197dafaaa1.mx1.emailprofi.seznam.cz

TXT 1

  • v=spf1 include:spf.seznam.cz include:ip4:147.231.81.15 ip4:147.231.80.186 ip4:81.2.216.230 ip6:2001:15e8:104:4::d8e6 ~all

NS 3

  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

SOA 1

  • ns.forpsi.net admin.forpsi.com

MCP_RECORDS 1

  • v=spf1 include:spf.seznam.cz include:ip4:147.231.81.15 ip4:147.231.80.186 ip4:81.2.216.230 ip6:2001:15e8:104:4::d8e6 ~all

DMARC_RECORDS 1

  • v=DMARC1; p=quarantine; adkim=r; aspf=r;

BIMI_RECORDS 1

  • v=spf1 include:spf.seznam.cz include:ip4:147.231.81.15 ip4:147.231.80.186 ip4:81.2.216.230 ip6:2001:15e8:104:4::d8e6 ~all

MTA_STS_RECORDS 1

  • v=spf1 include:spf.seznam.cz include:ip4:147.231.81.15 ip4:147.231.80.186 ip4:81.2.216.230 ip6:2001:15e8:104:4::d8e6 ~all

TLS Certificates (3)

Common NameIssuerExpires
vesmir.cz C=US, O=Let's Encrypt, CN=YR1 Sun, 30 Aug 2026 06:53:32 +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; nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
Output Hash
ee5554c4b6b9ba3913a4e184f8117f6546aaa511091d03278361d8d69a42483c
Signature
(receipt not held at this host)
Public Key
connor-fast-v0.14.0
Parent
(genesis)
Plane
fast
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