dublincore.org

Observed Jul 27, 2026, 09:15 UTC (5d 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 · 1 subdomain · tranco_100k

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

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

dublincore.org

A / AAAA

172.66.169.209104.20.34.742606:4700:10::ac42:a9d12606:4700:10::6814:224a

Cloudflareserves the site

crystal.ns.cloudflare.comhassan.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

dublincore.org

Google Trust Servicesissued its certificate

DNS Records

A 2

172.66.169.209
104.20.34.74

AAAA 2

2606:4700:10::ac42:a9d1
2606:4700:10::6814:224a

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 4

google-site-verification=JTZN4gW9xLS_n5cWQaoSfIAaQGHb2WI62_ETjSPboDU
v=spf1 include:_spf.google.com -all
v=DMARC1; p=none; sp=none; rua=mailto:4e787c23aae2.a@dmarcinput.com,mailto:re+e9ztna1fel7@dmarc.postmarkapp.com; ruf=mailto:4e787c23aae2.f@dmarcinput.com; aspf=r; fo=1; pct=100
v=STSv1; id=1711617529;

NS 2

crystal.ns.cloudflare.com
hassan.ns.cloudflare.com

SOA 1

crystal.ns.cloudflare.com dns.cloudflare.com

CAA 10

issue "comodoca.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "ssl.com"
issuewild "comodoca.com"
issuewild "digicert.com; cansignhttpexchanges=yes"
issuewild "letsencrypt.org"
issuewild "pki.goog; cansignhttpexchanges=yes"
issuewild "ssl.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`dublincore.org`	C=US, O=Google Trust Services, CN=WE1	Mon, 19 Oct 2026 14:19:58 +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)

dcmi2026-session-slides.dublincore.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 dublincore.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_9cac40d0182408e1
Output Hash: 2b376adce2f5cca76d2edc71a29787f4fafb7db9c670b51e14f1e94244b2cb6c
Signature: ed25519:c54ed4336e607fb4ad9606a6e6528b9862cde22bfeb58701b44caaaaf34dc37631e35a0842b977a6f5b4b7799f5f46ab51cc24e9d2dc886bc030cb1387e3c30a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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