ruder.io

Observed Jul 28, 2026, 02:44 UTC (1d 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 byGoogle Trust Services

Also usesGoogle Search Console

IPv6 · tranco

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

INFRASTRUCTURE MAPwhat ruder.io actually stands on - every host below is a signed observation

ruder.io

A / AAAA

104.21.45.41172.67.209.1052606:4700:3031::ac43:d1692606:4700:3036::6815:2d29

Cloudflareserves the site

mark.ns.cloudflare.commary.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

ruder.io

Google Trust Servicesissued its certificate

DNS Records

A 2

104.21.45.41
172.67.209.105

AAAA 2

2606:4700:3031::ac43:d169
2606:4700:3036::6815:2d29

MX 5

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 2

google-site-verification=84iu_lH3z3xx3sAsVWhU4lG0-94hJljPzat55c4qYWA
v=spf1 include:_spf.google.com ~all

NS 2

mark.ns.cloudflare.com
mary.ns.cloudflare.com

SOA 1

mark.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`ruder.io`	C=US, O=Google Trust Services, CN=WE1	Tue, 01 Sep 2026 00:44:25 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 ruder.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_a34bb7f81ee020cd
Output Hash: 80c205f0bfcd5043e6a0b83164e7af2c0fc954147c827623e30e73ae3a9c742c
Signature: ed25519:3f13eb585cd1ded13dcb9de0f9428387925527c8b7fd5b843e14f44d92daae37cd56e2a2f233dd77d5326f9d9c2931d72e4986094389bfcf01a10a10026a360f
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/ruder.io