kalkulatory.pl

Observed Aug 16, 2026, 18:23 UTC (2h 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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Up right now
Email byGoogle (SPF sender)
Secured byAsseco Data Systems S.A.
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat kalkulatory.pl actually stands on - every host below is a signed observation
kalkulatory.pl
A / AAAA
193.56.54.27
unattributedserves the site
NS
ns2.srv.noria.plns1.srv.noria.pl
noria.planswers its DNS
MX
mail.zibi.pl
Google (SPF sender)receives its email
TLS
kalkulatory.pl
Asseco Data Systems S.A.issued its certificate

DNS Records

A 1

  • 193.56.54.27

MX 1

  • 0mail.zibi.pl

TXT 1

  • v=spf1 include:oldspf.noria.pl ip4:128.204.218.42 ip4:80.50.231.134 ip4:212.244.58.230 ip4:212.244.58.228 ip4:212.244.58.234 include:_spf.google.com mx ptr -all

NS 2

  • ns2.srv.noria.pl
  • ns1.srv.noria.pl

SOA 1

  • ns1.srv.noria.pl dns.noria.pl

TLS Certificates (2)

Common NameIssuerExpires
kalkulatory.pl C=PL, O=Asseco Data Systems S.A., CN=Certum DV TLS G2 R39 CA Wed, 24 Feb 2027 09:10:23 +0000
Certum DV TLS G2 R39 CA C=PL, O=Asseco Data Systems S.A., 2.5.4.11=Certum Certification Authority, CN=Certum Trusted Root CA Sun, 05 Jun 2039 07:41:22 +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_d160950cead28a3f
Output Hash
6f690aa11bd08fd367729548685ef2b1fa4fb33a73b4eed299a25398acb82438
Signature
ed25519:a18c81c624180ec30e7ec97315a7304c340834482fbab6e2b9f94961ef9629b0e4bba13a7702e184a951b5ae7b298bcac6520dfd0bf23ffc66562910afcb5d0e
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT39,710 material changesacross 37,679 domains · 24h to ~2h ago · -1,849 vs yesterdayROTATION66 domains moved DNS from koaladns.com to magpiedns.com, 66 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW595 curated domains not reachable+100 vs yesterdaySITE ERRORS35,880 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,382 sites429 rate-limit / 403 bot-block, a posture signal