rubocop.org

Observed Jul 29, 2026, 04:58 UTC (8h 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

Also usesGoogle Search Console

1 subdomain · tranco

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

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

rubocop.org

A / AAAA

185.199.109.153185.199.110.153185.199.111.153185.199.108.153

unattributedserves the site

dns1.registrar-servers.comdns2.registrar-servers.com

registrar-servers.comanswers its DNS

eforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.com+1 more

registrar-servers.comreceives its email

TLS

rubocop.org

Let's Encryptissued its certificate

DNS Records

A 4

185.199.109.153
185.199.110.153
185.199.111.153
185.199.108.153

MX 5

10eforward1.registrar-servers.com
10eforward2.registrar-servers.com
10eforward3.registrar-servers.com
15eforward4.registrar-servers.com
20eforward5.registrar-servers.com

TXT 2

v=spf1 include:spf.efwd.registrar-servers.com ~all
google-site-verification=wWdXLisiFZzO7qh1xpOssOXxe6GwQCwTqoaItnZK9CE

NS 2

dns1.registrar-servers.com
dns2.registrar-servers.com

SOA 1

dns1.registrar-servers.com hostmaster.registrar-servers.com

TLS Certificates (3)

Common Name	Issuer	Expires
`rubocop.org`	C=US, O=Let's Encrypt, CN=YR2	Wed, 23 Sep 2026 01:01:21 +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 (2)

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 rubocop.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_00e7d47733b82a02
Output Hash: 30a818ae2e0484d69e8868701fc7e5470a9d7588da78d05a89620dddd81554eb
Signature: ed25519:237d69bfa49e94f904dc3a6c2dc801599d36235f71b62962128933115307e059eb8e2d297d590750e2613887999135acc82f115532e1e103e7661a12399a560d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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