savvy.cz

Observed Aug 10, 2026, 23:29 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of savvy.cz was taken 5d ago

savvy.cz is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting savvy.cz 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 savvy.cz Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Up right now
Secured byLet's Encrypt
Registered withREG-MEDIA4WEB
Also usesMicrosoft 365Google Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat savvy.cz actually stands on - every host below is a signed observation
savvy.cz
A / AAAA
193.19.176.105
unattributedserves the site
NS
ns1.savvy.czns2.savvy.cz
savvy.czanswers its DNS
MX
mail1.savvy.czmail2.savvy.cz
savvy.czreceives its email
TLS
savvy.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 193.19.176.105

MX 2

  • 10mail1.savvy.cz
  • 20mail2.savvy.cz

TXT 3

  • MS=C0CA718E2E43C40DF9BA9AE950A616DE1CE21956
  • google-site-verification=Us2WU0ZdncMM9qOwWEtOZyckhelmzdKmFwloQavOXVA
  • v=spf1 a mx ip4:193.19.176.0/24 ip4:193.19.178.0/24 ip4:81.0.232.128/27 ip6:2001:67c:22f8::/48 -all

NS 2

  • ns1.savvy.cz
  • ns2.savvy.cz

SOA 1

  • ns1.savvy.cz helpdesk.savvy.cz

DMARC_RECORDS 1

  • v=DMARC1; p=reject; sp=none; rua=mailto:dmarc@savvy.cz; ri=604800

TLS Certificates (3)

Common NameIssuerExpires
savvy.cz C=US, O=Let's Encrypt, CN=YR2 Mon, 05 Oct 2026 04:42:26 +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_0ce05f57c8674ce3
Output Hash
7e0d18ccfab364f5722f259901b125c793c22c725518f7da514aa9927893ab10
Signature
ed25519:91f3bffc9e46556f32c82ef758f823fa20c2d1308fe77c44d6dc3acc148ad066471bd208d000783aa8aea021031d43f0002701ab2317e5ab02bd5734da66340c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT38,176 material changesacross 36,451 domains · 24h to ~3h ago · -3,383 vs yesterdayDNS DRIFT87 domains changed DNS providertop destination koaladns.com · +5 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination alltheemails.comNOW550 curated domains not reachable+55 vs yesterdaySITE ERRORS36,472 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,563 sites429 rate-limit / 403 bot-block, a posture signal