crossref.org

Observed 2026-07-14T04:45:40.179Z (8h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withRegister.com - Network Solutions, LLC

10 subdomains · tranco_10k

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

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

crossref.org

A / AAAA

44.194.72.20752.22.93.6552.20.83.206100.50.152.115

Cloudflareserves the site

ns-1052.awsdns-03.orgns-1629.awsdns-11.co.ukns-659.awsdns-18.netns-473.awsdns-59.com

awsdns-03.org + awsdns-11.co.uk + moreanswers its DNS

aspmx3.googlemail.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time246 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 4

44.194.72.207
52.22.93.65
52.20.83.206
100.50.152.115

MX 5

10aspmx3.googlemail.com
20alt1.aspmx.l.google.com
20alt2.aspmx.l.google.com
30aspmx2.googlemail.com
10aspmx.l.google.com

TXT 7

intacct-esk=4FED1A49C4B8865AE053DF06A8C02878
1wnqjfbqpgk7rry20dzzcqmm0fhqpdwm
MS=ms40313232
status-page-domain-verification=pmfyw22rmcg9
v=spf1 ip4:208.254.38.64/27 ip4:108.26.163.24 ip4:18.233.120.246 include:mail.zendesk.com include:stspg-customer.com include:_spf.google.com include:_spf.intacct.com include:amazonses.com include:_spf.act-on.net ~all
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;rua=mailto:dmarc@crossref.org;ruf=mailto:dmarc@crossref.org;fo=1
v=DKIM1; (detected)

NS 4

ns-1052.awsdns-03.org
ns-1629.awsdns-11.co.uk
ns-659.awsdns-18.net
ns-473.awsdns-59.com

SOA 1

ns-1052.awsdns-03.org awsdns-hostmaster.amazon.com

CAA 4

issue amazontrust.com
issuewild letsencrypt.org
issuewild amazontrust.com
issue letsencrypt.org

TLS Certificates (0)

None.

Subdomains (10)

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

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

Ed25519 Receipt

Receipt ID: fad04153-81ff-4b03-885e-98f8d9dff176
Output Hash: 37564a0ae248cc88b6118813a49fe3789e74df6a9fb9571265e7a2c6ee431466
Signature: ed25519:e622ce94394385fb003a764a40636dae50171b48a7da6c2c29d4044fb60ff6d7ac49a7519a4b7904cc4d2d923bb85371c24ca73040736999d1c533556adbea0a
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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