sentinel.co

Observed Jul 18, 2026, 12:09 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

web3_defi

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

INFRASTRUCTURE MAPwhat sentinel.co actually stands on - every host below is a signed observation

sentinel.co

A / AAAA

3.33.241.9613.248.213.9215.197.149.6876.223.57.73

Amazonserves the site

megan.ns.cloudflare.comkhalid.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

sentinel.co

Let's Encryptissued its certificate

DNS Records

A 4

3.33.241.96
13.248.213.92
15.197.149.68
76.223.57.73

MX 5

1aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com

TXT 4

v=spf1 include:_spf.google.com ~all
google-site-verification=J0lthK2yY1nphlmizjqa6StHZ2_Liq65JTK2wRjYsuA
v=DMARC1; p=reject; rua=mailto:admin@sentinel.co; ruf=mailto:admin@sentinel.co; fo=1; adkim=s; aspf=s
v=STSv1;id=1758552421968;

NS 2

megan.ns.cloudflare.com
khalid.ns.cloudflare.com

SOA 1

khalid.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`sentinel.co`	C=US, O=Let's Encrypt, CN=YR2	Thu, 10 Sep 2026 18:11:05 +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 (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 sentinel.co. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 87cd2296-0020-4b00-a71d-1c9065e0574c
Output Hash: ece7c8f184f0570e9d11c8f1b226ecdade455cdfa8cf2dac944a42bb661ba509
Signature: ed25519:3e3ba32afd8a8cecebb8f65699c4823418dd8e62c090f379a72a1cf1cc02290cfbbcc9fd8fcb3654e8bd383d687fb95581bf79b3b00813542b1028455440f608
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/sentinel.co