rothert.org

Observed Jul 28, 2026, 01:38 UTC (11h 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

Guarded by a firewall

Runs onHetzner Online

Email byGoogle Workspace

Secured byLet's Encrypt

Registered withInterNetX GmbH

tranco

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

INFRASTRUCTURE MAPwhat rothert.org actually stands on - every host below is a signed observation

rothert.org

A / AAAA

5.9.2.251

Hetzner Onlineserves the site

ns00.rothert.infons2.he.netns3.he.net

rothert.info + he.netanswers its DNS

alt2.aspmx.l.google.comaspmx3.googlemail.comalt1.aspmx.l.google.comaspmx4.googlemail.com+2 more

Google Workspacereceives its email

TLS

rothert.org

Let's Encryptissued its certificate

DNS Records

A 1

5.9.2.251

MX 6

10alt2.aspmx.l.google.com
30aspmx3.googlemail.com
10alt1.aspmx.l.google.com
30aspmx4.googlemail.com
30aspmx2.googlemail.com
30aspmx5.googlemail.com

TXT 1

v=spf1 ip4:5.9.2.212 ip4:5.9.2.248 ip4:5.9.2.251 ip4:5.9.9.186 ip4:161.97.108.15 ip4:77.90.57.119 ip6:2a00:12d8:13:0:b1cc:ac92:b2b1:ee3c ip6:2a02:c207:3012:3113::1 ip6:01:4f8:222:33cd::2 ip6:2a0f:5707:aaf1:c29d::1 a:helium.dyn.rothert.org include:spf.mailjet.com include:_spf.google.com ~all

NS 3

ns00.rothert.info
ns2.he.net
ns3.he.net

SOA 1

ns00.rothert.info dns.rothert.org

TLS Certificates (3)

Common Name	Issuer	Expires
`rothert.org`	C=US, O=Let's Encrypt, CN=YR2	Sun, 30 Aug 2026 19:36:43 +0000
`YR2`	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 rothert.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_3a7b8f0d844e5dde
Output Hash: 9d54df57f65e10d96fdc3838c46486f29d6b705b0545ce19dc44a4396f2e75da
Signature: ed25519:f74986ac06adbee42afdaf817b25f9bae38b82a4899f5626f24db854c673cdc720280febb4d94ea4890cf75cb4a82812d60b6c4f8a7afe0ebbfaf366b2fee903
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/rothert.org