utc.org

Observed Jul 27, 2026, 14:52 UTC (6d 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

Email byMicrosoft 365

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 utc.org actually stands on - every host below is a signed observation

utc.org

A / AAAA

209.182.200.184

unattributedserves the site

ns47.domaincontrol.comns48.domaincontrol.com

domaincontrol.comanswers its DNS

utc-org.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.utc.org

Let's Encryptissued its certificate

DNS Records

A 1

209.182.200.184

MX 1

10utc-org.mail.protection.outlook.com

TXT 8

brevo-code:b42d1c16992a8c14b65a50ed706bf79e
v=spf1 +ip4:104.152.109.210 +ip4:205.201.46.119/32 +ip4:205.201.47.147/32 +ip4:209.18.93.74/32 +ip4:209.18.93.75/32 +include:spf.commbrands.com +include:us._netblocks.mimecast.com +include:mmsend.com +include:informz.net +include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
ppe-cd8a84789bfd0c967633
0ed1fe018addd191d0a140465eba72f2239acf614d
google-site-verification=Bvtbih3DKHsetxq5dx5SMaQRaYL7XsznVaFW2UxwdmA
k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z+FApQ6ra2VsXfbJP3HE6wAO0YTVEJt1TmeczhEd2Jiz/fcabIISgXEdSpTYJhb0ct0VJRxcg4c8c7wIDAQAB
apple-domain-verification=KfrNEfQ4m8BNWLvk
v=DMARC1; p=quarantine; rua=mailto:dmarc@utc.org; ruf=mailto:dmarc@utc.org; pct=100; adkim=s; aspf=s

NS 2

ns47.domaincontrol.com
ns48.domaincontrol.com

SOA 1

ns47.domaincontrol.com dns.jomax.net

TLS Certificates (3)

Common Name	Issuer	Expires
`www.utc.org`	C=US, O=Let's Encrypt, CN=YR2	Thu, 03 Sep 2026 05:51:00 +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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_2b118947e78efd19
Output Hash: bdcd3090ff3ae6cf004657e85ce60029f0d599182c3727c893a163051f7fca34
Signature: ed25519:7a4614e59cf9d97974b6ddc855925a2b69456f05990dcf6294448173ab24e82395aad9deb7ef9b106db81c19b5a395d1280664b788e3ecab24b7242b1371bc04
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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