rmarcus.info

Observed Jul 26, 2026, 22:24 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 byGoogle Workspace

Secured byLet's Encrypt

IPv6 · domcop

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

INFRASTRUCTURE MAPwhat rmarcus.info actually stands on - every host below is a signed observation

rmarcus.info

A / AAAA

178.156.245.1422a01:4ff:f4:d4::1

2a01serves the site

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

hetzner.de + hetzner.comanswers its DNS

smtp.google.com

Google Workspacereceives its email

TLS

rmarcus.info

Let's Encryptissued its certificate

DNS Records

A 1

178.156.245.142

AAAA 1

2a01:4ff:f4:d4::1

MX 1

1smtp.google.com

TXT 1

v=spf1 include:_spf.google.com ~all

NS 3

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

SOA 1

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

TLS Certificates (3)

Common Name	Issuer	Expires
`rmarcus.info`	C=US, O=Let's Encrypt, CN=YR1	Sun, 20 Sep 2026 21:19:05 +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 (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 rmarcus.info. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_d12bf414070735e7
Output Hash: c73f25901c81c50b4c83d6a5af49b004a9e4358ab0d8f41de98b1eebc91e21cd
Signature: ed25519:bf1696069e5654bdabd91c8bc7c712d605490c918588c41a8ae1eec08bfd5455ea24cef84d2776177d17ae60a6cc827ad41dfafa759bbfcfaf8047bb5e6d960f
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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