vertex42.com

Observed Jul 24, 2026, 19:53 UTC (9d 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 byGoogle (SPF sender)

Secured byDigiCert

3 subdomains · tranco_100k

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

INFRASTRUCTURE MAPwhat vertex42.com actually stands on - every host below is a signed observation

vertex42.com

A / AAAA

216.177.130.27

unattributedserves the site

ns12.websitesource.comns10.websitesource.comns11.websitesource.com

websitesource.comanswers its DNS

filter20.antispamcloud.comfilter40.antispamcloud.comfilter10.antispamcloud.comfilter30.antispamcloud.com

Google (SPF sender)receives its email

TLS

*.vertex42.com

DigiCert Incissued its certificate

DNS Records

A 1

216.177.130.27

MX 4

20filter20.antispamcloud.com
40filter40.antispamcloud.com
10filter10.antispamcloud.com
30filter30.antispamcloud.com

TXT 8

pgjyr0r8snx3v538jc95tdbklspd451b
v=spf1 +a +mx +a:fpcpscded01.websitesource.com ip4:216.177.130.27 mx include:_spf.google.com ~all
_r1ba3m6dbd5wdzl5q0wql793ts3np6g
nc94wq3j6522g8mbhkz7t3nf5gnmq3wv
v=DMARC1; p=none; pct=100; rua=mailto:jon@vertex42.com
_maejpfrpml72dobizhh1m037cpydx9o
_maejpfrpml72dobizhh1m037cpydx9o
_maejpfrpml72dobizhh1m037cpydx9o

NS 3

ns12.websitesource.com
ns10.websitesource.com
ns11.websitesource.com

SOA 1

ns1.speedfox.com admin.speedfox.com

TLS Certificates (2)

Common Name	Issuer	Expires
`*.vertex42.com`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1	Wed, 10 Feb 2027 23:59:59 +0000
`GeoTrust TLS RSA CA G1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Nov 2027 12:23:37 +0000

Subdomains (3)

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 vertex42.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/vertex42.com">
  <img src="https://domaindrift.io/badge/vertex42.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for vertex42.com">
</a>

Ed25519 Receipt

Receipt ID: rcpt_86823ddcbf5b491d
Output Hash: d0a9bc4a57d996c8630c5331ec5b08cbe24a6a5a265d4fae90e86486791ee463
Signature: ed25519:dd5696d53a0f3ded722aa916f59c71c5de6bc6dfa43e08234ee33d20af0d147a3b9b55681e975fa5a64b5b72d53a7544b9fe3fe05c4ea89f2c625e76c4fc3909
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/vertex42.com