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doulos.at

Observed Jul 28, 2026, 07:54 UTC (1d 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.

Not responding
Email byGoogle Workspace
Secured byLet's Encrypt
16 subdomains · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat doulos.at actually stands on - every host below is a signed observation
doulos.at
A / AAAA
158.255.211.31
unattributedserves the site
NS
b.regfish-ns.netc.regfish-ns.neta.regfish-ns.net
regfish-ns.netanswers its DNS
MX
aspmx3.googlemail.comaspmx5.googlemail.comaspmx2.googlemail.comalt1.aspmx.l.google.com+3 more
Google Workspacereceives its email
TLS
doulos.at
Let's Encryptissued its certificate

DNS Records

A 1

  • 158.255.211.31

MX 7

  • 10aspmx3.googlemail.com
  • 10aspmx5.googlemail.com
  • 10aspmx2.googlemail.com
  • 0alt1.aspmx.l.google.com
  • 10aspmx4.googlemail.com
  • 5alt2.aspmx.l.google.com
  • 1aspmx.l.google.com

TXT 8

  • v=spf1 include:spf.sendinblue.com mx ~all
  • Sendinblue-code:c5e9bbe8425baf4bb3bb86f84b6bfd50
  • Sendinblue-code:c5e9bbe8425baf4bb3bb86f84b6bfd50
  • v=spf1 include:spf.sendinblue.com mx ~all
  • v=spf1 include:spf.sendinblue.com mx ~all
  • Sendinblue-code:c5e9bbe8425baf4bb3bb86f84b6bfd50
  • Sendinblue-code:c5e9bbe8425baf4bb3bb86f84b6bfd50
  • v=spf1 include:spf.sendinblue.com mx ~all

NS 3

  • b.regfish-ns.net
  • c.regfish-ns.net
  • a.regfish-ns.net

SOA 1

  • a.regfish-ns.net dns.regfish-ns.net

SRV 5

  • xmpp-server2.l.google.com:5269 p20
  • xmpp-server.l.google.com:5269 p5
  • xmpp-server1.l.google.com:5269 p20
  • xmpp-server3.l.google.com:5269 p20
  • xmpp-server4.l.google.com:5269 p20

TLS Certificates (3)

Common NameIssuerExpires
doulos.at C=US, O=Let's Encrypt, CN=YR1 Wed, 14 Oct 2026 14:07:41 +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 (16)

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 doulos.at. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_8d3edc9e9a4dc70f
Output Hash
5f77fb8e8e8d05da5429970ab775c3dbfa71326a7e82e7cbd018c02ec5477514
Signature
ed25519:2189ee79ecba27ab839a8be786e0ec025430fc5c91a857598b674e7477e3798af398d2f1ba432f97dd29532a38e1e56141a446b0539b1492c478b3fb07dfc308
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser