yfu.org

Observed Jul 26, 2026, 09:49 UTC (7d 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 ConsoleHubSpot

majestic

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

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

yfu.org

A / AAAA

85.215.189.29

unattributedserves the site

ns-365.awsdns-45.comns-571.awsdns-07.netns-1465.awsdns-55.orgns-1848.awsdns-39.co.uk

awsdns-45.com + awsdns-07.net + moreanswers its DNS

yfu-org.mail.protection.outlook.com

Microsoft 365receives its email

TLS

yfu.org

Let's Encryptissued its certificate

DNS Records

A 1

85.215.189.29

MX 1

0yfu-org.mail.protection.outlook.com

TXT 8

MS=ms22139645
0A1918CA726F02E6B251FB573DBD28E09E1EC5F4
google-site-verification=63NIJvWGvkTv5ZHy5anPAOimboVsIavq4CTgIIVEN9M
google-site-verification=waz4MlgW-_ZVRLuD-8j63Yd9ZjLfPuYRRVlGmYY7qtk
v=spf1 include:spf.protection.outlook.com include:mal.zendesk.com include:amazonses.com include:outboundmail.blackbaud.net include:46464955.spf10.hubspotemail.net include:servers.mcsv.net -all
v=DMARC1; p=quarantine; rua=mailto:dmarc@yfu.org; ruf=mailto:dmarc@yfu.org; pct=100
v=BIMI1;l=https://my.yfu.org/images/yfu-logo-bimi-tiny-ps.svg;a=
v=STSv1; id=20240301051824

NS 4

ns-365.awsdns-45.com
ns-571.awsdns-07.net
ns-1465.awsdns-55.org
ns-1848.awsdns-39.co.uk

SOA 1

ns-365.awsdns-45.com awsdns-hostmaster.amazon.com

CAA 6

iodef "mailto:itdirector@yfu.org"
issue "amazonaws.com"
issue "letsencrypt.org"
issue "amazon.com"
issue "godaddy.com"
issue "letsencrypt.org"

TLS Certificates (4)

Common Name	Issuer	Expires
`yfu.org`	C=US, O=Let's Encrypt, CN=YE2	Thu, 27 Aug 2026 01:13:40 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

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

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

Ed25519 Receipt

Receipt ID: rcpt_0be7659c10e3e686
Output Hash: 1c6b272a7f2eeda9ebb6cf4ebbdfd3668ea63fc00c91e9b7079a1c60c8245479
Signature: ed25519:d0c42ae8d5c37afdaca470ed103d249c1932e1d87c4be3432470bb7d0218bd737f843d64bbac095652847d0561c22af3d588038fd22995577c2d9f9d52efa90f
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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