CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 39,597 material changesacross 37,227+ domains · 24h to ~6h ago · a floor, 18h of 24 walkedNOW554 curated domains not reachablelast probe, steadySITE ERRORS34,017 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,880 sites429 rate-limit / 403 bot-block, a posture signal

doppler.cz

Observed Jul 25, 2026, 18:47 UTC (5d 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
Email byMicrosoft 365
Secured byZeroSSL GmbH
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat doppler.cz actually stands on - every host below is a signed observation
doppler.cz
A / AAAA
185.184.254.10
unattributedserves the site
NS
ns1.regzone.czns1.regzone.dens1.regzone.info
regzone.cz + regzone.de + moreanswers its DNS
MX
doppler-cz.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.doppler.cz
ZeroSSL GmbHissued its certificate

DNS Records

A 1

  • 185.184.254.10

MX 1

  • 1doppler-cz.mail.protection.outlook.com

TXT 2

  • v=spf1 ip4:178.238.45.204 ip4:185.64.216.45 ip4:85.118.134.250 ip4:89.185.248.245 ip4:178.238.41.130 include:spf.protection.outlook.com include:spf.smartemailing.cz include:_spf.myshoptet.com include:spf.rozhled.cz -all
  • v=DMARC1; p=none; rua=mailto:dmarc+481135@smartemailing.cz; fo=1

NS 3

  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info

SOA 1

  • ns1.regzone.cz administrator.czechia.cz

SRV 1

  • autodiscover.zoner.com:443 p5

TLS Certificates (3)

Common NameIssuerExpires
www.doppler.cz C=AT, O=ZeroSSL GmbH, CN=ZeroSSL ECC DV SSL CA 2 Mon, 12 Oct 2026 23:59:59 +0000
ZeroSSL ECC DV SSL CA 2 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root E46 Sun, 23 Sep 2035 23:59:59 +0000
Sectigo Public Server Authentication Root E46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust ECC Certification Authority Mon, 18 Jan 2038 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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for doppler.cz. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for doppler.cz <a href="https://domaindrift.io/t/doppler.cz"> <img src="https://domaindrift.io/badge/doppler.cz.svg" width="300" height="64" alt="DomainDrift signed observations for doppler.cz"> </a>

Ed25519 Receipt

Receipt ID
rcpt_4c32d6cdee251bf0
Output Hash
b2919e9ddfed348349d2b2df72ca39592b23a8b5453e05dea7fabfe48096a4fd
Signature
ed25519:4b4884f6f3ad47b5703330b94a2f24be4dd6b500f8931c1e73ce2c2658da457d7e268ef2e1bf2b602b6e3024a49826710d46d51175fd5451e952bb6da7511e06
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser