yp3a.org

Observed Jul 25, 2026, 15:34 UTC (8d 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.

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Up right now

Secured byLet's Encrypt

9 subdomains · tranco

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

INFRASTRUCTURE MAPwhat yp3a.org actually stands on - every host below is a signed observation

yp3a.org

A / AAAA

217.21.73.8

unattributedserves the site

ns1.niagahoster.comns2.niagahoster.com

niagahoster.comanswers its DNS

yp3a.org

yp3a.orgreceives its email

TLS

mail.yp3a.org

Let's Encryptissued its certificate

DNS Records

A 1

217.21.73.8

MX 1

0yp3a.org

TXT 1

v=spf1 ip4:217.21.73.0 include:relay.mailchannels.net +a +mx +ip4:45.130.231.1 include:antispamcloud.com include:spf.antispamcloud.com +ip4:45.130.231.41 +ip4:109.106.252.151 ~all

NS 2

ns1.niagahoster.com
ns2.niagahoster.com

SOA 1

ns1.niagahoster.com cpanel.niagahoster.com

SRV 1

cpanelemaildiscovery.cpanel.net:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`mail.yp3a.org`	C=US, O=Let's Encrypt, CN=YR1	Fri, 02 Oct 2026 18:29:25 +0000
`YR1`	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 (9)

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 yp3a.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/yp3a.org">
  <img src="https://domaindrift.io/badge/yp3a.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for yp3a.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_9ef51e13213d630c
Output Hash: d1a217a3c627f209e56e363777277a79645f2dcc9ea317cfea3a19067e1a6011
Signature: ed25519:0190047c20d0fcd27f36ee35c97b9b8f53c773fef3d4a4cc80f4b51723e8df2e693bf103bab77e94c76eb7e34c243f67ad45ab6037b9e569fb2723826790e20c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/yp3a.org