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roaldhoffmann.com

Observed Jul 26, 2026, 06:19 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.

Up right now
Secured byLet's Encrypt
IPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat roaldhoffmann.com actually stands on - every host below is a signed observation
roaldhoffmann.com
A / AAAA
23.185.0.12620:12a:8000::12620:12a:8001::1
2620serves the site
NS
ns6.esosoft.netns5.esosoft.netns7.esosoft.net
esosoft.netanswers its DNS
MX
mx.roaldhoffmann.com
roaldhoffmann.comreceives its email
TLS
roaldhoffmann.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 23.185.0.1

AAAA 2

  • 2620:12a:8000::1
  • 2620:12a:8001::1

MX 1

  • 10mx.roaldhoffmann.com

TXT 2

  • v=spf1 include:spf.esosoft.net -all
  • v=DMARC1; p=reject;

NS 3

  • ns6.esosoft.net
  • ns5.esosoft.net
  • ns7.esosoft.net

SOA 1

  • ns5.esosoft.net hostmaster.esosoft.net

TLS Certificates (3)

Common NameIssuerExpires
roaldhoffmann.com C=US, O=Let's Encrypt, CN=YR1 Tue, 29 Sep 2026 03:52:52 +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 (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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_026434a1e4bec30a
Output Hash
ac9baa31479418093442715b87737425f4d1f9da0ec02d2bbbaae111b9e8ea0c
Signature
ed25519:b8dcfbcf759b94df588ef29e1b53f39932024cc16ad9d1a5053b69bc772fe81ed2ecc4f76faf9fe23d719caec2571f5de82fd6235c06999ef98ae4ccb97b530a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser