arcg.at

Observed Jul 27, 2026, 03:25 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

Secured byLet's Encrypt

1 subdomain · domcop

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

INFRASTRUCTURE MAPwhat arcg.at actually stands on - every host below is a signed observation

arcg.at

A / AAAA

195.191.252.26

unattributedserves the site

helium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.com

hetzner.de + hetzner.comanswers its DNS

mail.amateurradioclubgraz.at

amateurradioclubgraz.atreceives its email

TLS

arcg.at

Let's Encryptissued its certificate

DNS Records

A 1

195.191.252.26

MX 1

100mail.amateurradioclubgraz.at

TXT 3

v=spf1 ip4:195.191.252.26 -all
v=DMARC1; p=reject; rua=mailto:dmarc@arcg.at; adkim=r; aspf=r; pct=100; ri=86400
v=BIMI1; l=https://stradnerkogel.arcg.at/ARCG.svg

NS 3

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

SOA 1

hydrogen.ns.hetzner.com dns.hetzner.com

SRV 1

mail.amateurradioclubgraz.at.arcg.at:443 p0

TLS Certificates (4)

Common Name	Issuer	Expires
`arcg.at`	C=US, O=Let's Encrypt, CN=YE1	Fri, 16 Oct 2026 06:44:56 +0000
`YE1`	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 (1)

www.arcg.at

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

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

Ed25519 Receipt

Receipt ID: rcpt_c84cad4226fc6983
Output Hash: 5c92b9a40e507dbbd1195a88677b9cba6836fd5c15c982e201a5b45796273219
Signature: ed25519:9cb8be0e25ac306aa7ce946d6b24f4af9eb78942d4b6c11d3cbbbb223cbf6834a81f0aa67d5c2a005b8c8ff774cc529017fac6dfa36f918ff0d32ad6c0a7e70e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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