optimism.io

Observed 2026-07-13T00:01:41.648944734+00:00 (16h 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 usesFigmaGoogle Search ConsoleNotionHubSpot

IPv6 · crypto

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

INFRASTRUCTURE MAPwhat optimism.io actually stands on - every host below is a signed observation

optimism.io

A / AAAA

104.18.11.221104.18.10.2212606:4700::6812:add2606:4700::6812:bdd

Cloudflareserves the site

eloise.ns.cloudflare.comhayes.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

optimism.io

Let's Encryptissued its certificate

DNS Records

A 2

104.18.11.221
104.18.10.221

AAAA 2

2606:4700::6812:add
2606:4700::6812:bdd

MX 5

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 11

B285F784F6
anthropic-domain-verification-21959z=1z87b5ILoDZxiyAmaBEpmEjxH
anthropic-domain-verification-6s9pan=QJoZnHcTIy5RRIuJUCCPvjBbm
figma-domain-verification=fcd3d073c8661987f94b491b908ff36f9c50b8a1eb562f0a98ab5459bbd7fb4a-1765385258
google-site-verification=14WMOeYBgTpKOImgVm3LeVoC4pXxohRYqwkB8G7yjW0
klaviyo-site-verification=XA6tqv
notion-domain-verification=iiwrKweKz7nHUIYEDd3TIbeAyI8KUq0VdVbm17szqhl
openai-domain-verification=dv-ROUKSl7COXherbXN8F2MjtJm
v=spf1 include:_spf.google.com include:mg-spf.greenhouse.io include:44826671.spf08.hubspotemail.net -all
v=DMARC1; p=quarantine; rua=mailto:postmaster@optimism.io

NS 2

eloise.ns.cloudflare.com
hayes.ns.cloudflare.com

SOA 1

eloise.ns.cloudflare.com dns.cloudflare.com

CAA 11

issue "amazon.com"
issue "comodoca.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "ssl.com"
issuewild "comodoca.com"
issuewild "digicert.com; cansignhttpexchanges=yes"
issuewild "letsencrypt.org"
issuewild "pki.goog; cansignhttpexchanges=yes"

TLS Certificates (4)

Common Name	Issuer	Expires
`optimism.io`	C=US, O=Let's Encrypt, CN=YE2	Sat, 26 Sep 2026 15:11:25 +0000
`YE2`	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 optimism.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: c2bd0dce-1adf-477e-a279-97f534afc6dd
Output Hash: 5dc3789a47d7738e4878bec240a132d561b33e2dcaa62bf8e8e00c2b755dea45
Signature: ed25519:b5707087be1abd7afa37a4be958b2e273100032843172b906100042eb2ff64a185872205771a9f9ec1a0d93d4ffbb42aa623e0b5a6b310ea7835c6520ca7f30f
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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