zx2c4.com

Observed Jul 18, 2026, 13:33 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onThe Constant Company

Email byMailgun

Secured byLet's Encrypt

Registered withSquarespace Domains II LLC

Also usesGoogle Search Console

IPv6 · tranco_40k

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

INFRASTRUCTURE MAPwhat zx2c4.com actually stands on - every host below is a signed observation

zx2c4.com

A / AAAA

192.248.189.2152001:19f0:6c00:1634:925a:8ff:fe78:43ec

The Constant Companyserves the site

ns1.zx2c4.comns2.zx2c4.com

zx2c4.comanswers its DNS

mxa.mailgun.orgmxb.mailgun.org

Mailgunreceives its email

TLS

zx2c4.com

Let's Encryptissued its certificate

DNS Records

A 1

192.248.189.215

AAAA 1

2001:19f0:6c00:1634:925a:8ff:fe78:43ec

MX 2

10mxa.mailgun.org
10mxb.mailgun.org

TXT 3

v=spf1 a:mail.zx2c4.com include:_spf.kernel.org include:mailgun.org ~all
google-site-verification=YpE7u8b4O44Oei3OX6NMuWcev6blXl13OZ0ik-HgSVw
v=DMARC1; p=quarantine;

NS 2

ns1.zx2c4.com
ns2.zx2c4.com

SOA 1

ns1.zx2c4.com jason.zx2c4.com

TLS Certificates (4)

Common Name	Issuer	Expires
`zx2c4.com`	C=US, O=Let's Encrypt, CN=YE1	Tue, 22 Sep 2026 01:49:19 +0000
`YE1`	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 zx2c4.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/zx2c4.com">
  <img src="https://domaindrift.io/badge/zx2c4.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for zx2c4.com">
</a>

Ed25519 Receipt

Receipt ID: 1b3868bd-636d-4ab0-bac9-7148ee676481
Output Hash: d9514f726a0e761b630b03864836780798811b2c505b396170dd4e4183154be1
Signature: ed25519:0f3c5d10b946f99a84d65985d642197eea8162d3026b8abcb9cbcfd64990f3a10acec93485eb89fb69bbda6dd8574d660a2bd4563a58e8ed9c5507ad54f39509
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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