matrix.org

Observed Jul 21, 2026, 19:09 UTC (9h 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

Registered withTucows Domains Inc.

Also usesGoogle Search Console

IPv6 · 1 subdomain · ecommerce

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

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

matrix.org

A / AAAA

172.66.135.3172.66.139.2392606:4700:10::ac42:87032606:4700:10::ac42:8bef

Cloudflareserves the site

derek.ns.cloudflare.comlaura.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

matrix.org

Google Trust Servicesissued its certificate

DNS Records

A 2

172.66.135.3
172.66.139.239

AAAA 2

2606:4700:10::ac42:8703
2606:4700:10::ac42:8bef

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 7

google-site-verification=8RMxuwfmm-wPif3Tvs3hWOlsoMgVXHT-mpHMTepW27E
google-site-verification=EBNpQSVGNJCUkEzbk2vt2BLvvRHoIlgp4C48fBlZyLQ
google-site-verification=J8_DjdsqBAPelUR1VXSV4jj4hX_ZfnWae_khwjr55wY
google-site-verification=WtVGAosO4JrjN_QGtENIbAEMcy5Dk7t6hcC4yQ5KC7A
google-site-verification=YHOeBO5suOmGyGWX9dhGZEv2cUW5ggwJecams7zaPvg
v=spf1 mx include:mail.zendesk.com include:amazonses.com include:_spf.google.com ip4:94.237.52.96 ip6:2a04:3541:1000:500:6866:a4ff:fe4c:7cce -all
v=DMARC1; p=quarantine; pct=0; rua=mailto:element-d@dmarc.report-uri.com

NS 2

derek.ns.cloudflare.com
laura.ns.cloudflare.com

SOA 1

derek.ns.cloudflare.com dns.cloudflare.com

SRV 2

lethe.matrix.org:5222 p0
lethe.matrix.org:5269 p0

CAA 19

iodef "mailto:ops@element.io"
issue "amazon.com"
issue "amazonaws.com"
issue "amazontrust.com"
issue "awstrust.com"
issue "comodoca.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "ssl.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`matrix.org`	C=US, O=Google Trust Services, CN=WE1	Thu, 10 Sep 2026 12:59:13 +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 (1)

media-worker.matrix.org

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

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

Ed25519 Receipt

Receipt ID: rcpt_0ed1f7dd3e5827a5
Output Hash: c50054c1e51850851728229d592c08338952fc165c7998dd97e1170073a954f2
Signature: ed25519:8199902701bbd4f2dca4b3f18ad93aa81ac5c92d8abaad8e5ab84e538323c44b7e46bf5d31b8fb03b3366bb31cfc006cb73ae62301a68dde6cd4bc7ab262510d
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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