doctena.ch

Observed Jul 25, 2026, 11:49 UTC (7d 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

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat doctena.ch actually stands on - every host below is a signed observation

doctena.ch

A / AAAA

104.18.4.182104.18.5.1822606:4700::6812:4b62606:4700::6812:5b6

Cloudflareserves the site

eve.ns.cloudflare.comfred.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

doctena.ch

Let's Encryptissued its certificate

DNS Records

A 2

104.18.4.182
104.18.5.182

AAAA 2

2606:4700::6812:4b6
2606:4700::6812:5b6

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 6

ca3-58035dc6489a472397dee0285c4937ad
google-site-verification=Zu3W-vQjv0cuDPwN96AjFvI3V0k71cF8hKyKN9VHPnk
google-site-verification=mp0q1LZl1BED4s2JoBLqhKMojkNYJhXl9fv1ACEYgcw
google-site-verification=rUbwCJ7hDajiVxrRpYNbol-INJTFOpth1B345OOujsc
v=spf1 a mx include:spf.mtasv.net include:_spf.google.com include:mail.zendesk.com -all
v=DMARC1; p=quarantine; pct=100; rua=mailto:re+pdgcnrjfuwc@dmarc.postmarkapp.com; sp=quarantine; ruf=mailto:dmarc@doctena.com; aspf=r;

NS 2

eve.ns.cloudflare.com
fred.ns.cloudflare.com

SOA 1

eve.ns.cloudflare.com dns.cloudflare.com

CAA 12

issue "amazon.com"
issue "comodoca.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "ssl.com"
issuewild "amazon.com"
issuewild "comodoca.com"
issuewild "digicert.com; cansignhttpexchanges=yes"
issuewild "letsencrypt.org"

TLS Certificates (4)

Common Name	Issuer	Expires
`doctena.ch`	C=US, O=Let's Encrypt, CN=YE2	Sun, 20 Sep 2026 16:02:07 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	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

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

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

Ed25519 Receipt

Receipt ID: rcpt_c4699683c09c5a97
Output Hash: 22e7e288f1f79c7c45be326cb828da3cd171a2fb93056665c6328a63e7adff5a
Signature: ed25519:233ea17365679d688afd2b6cbc9d0b6cea673116aaa1e1cb0d73d7d83939a1d34212f4bbf410f5deca15a390f0c4fcf889a703810cd8a2a7769c98c5eb314608
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/doctena.ch