opyn.co

Observed Jul 18, 2026, 12:07 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

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 opyn.co actually stands on - every host below is a signed observation

opyn.co

A / AAAA

75.2.70.7599.83.190.102

Cloudflareserves the site

brit.ns.cloudflare.comwatson.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

opyn.co

Let's Encryptissued its certificate

DNS Records

A 2

75.2.70.75
99.83.190.102

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 5

v=spf1 include:_spf.google.com include:servers.mcsv.net -all
google-site-verification=wT2l7lnbsElwrFYyOgIYmSMgmWbHLDKeCby02PFr8K0
heroku-domain-verification=a6oqyrruwmiztii9peskqe76m5ckiiujfmf5o39eca
v=DMARC1; p=quarantine; pct=100; rua=mailto:aparna@opyn.co, mailto:alexis@opyn.co, mailto:zk@opyn.co, mailto:anton@opyn.co
v=DMARC1; p=quarantine; pct=100; rua=mailto:aparna@opyn.co, mailto:alexis@opyn.co, mailto:zk@opyn.co, mailto:anton@opyn.co

NS 2

brit.ns.cloudflare.com
watson.ns.cloudflare.com

SOA 1

brit.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (2)

Common Name	Issuer	Expires
`opyn.co`	C=US, O=Let's Encrypt, CN=R12	Thu, 13 Aug 2026 03:14:02 +0000
`R12`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 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 opyn.co. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: f6077e4a-cb65-4053-b5b5-fe15dc13209e
Output Hash: e602a33b4c1d2ad89b6b99ad1b969cc2003d58015e2e4745ccae584d50c3bba5
Signature: ed25519:46fa6d6f90ede74263157803fd1d07f1a2536313355f5a5d106b1e34eb48e5c03f55b890e203f3b3bce60f25d158097d47a02db925349afccdcb59e798e30703
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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