optable.co

Observed 2026-07-13T23:11:59.829Z (7h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesGoogle Search ConsoleAtlassianSlackHubSpot

7 subdomains · tranco_10k

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

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

optable.co

A / AAAA

198.202.211.1

Cloudflareserves the site

ns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comns-cloud-b1.googledomains.comns-cloud-b2.googledomains.com

googledomains.comanswers its DNS

aspmx2.googlemail.comalt2.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.optable.co/

HTTP status301

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time475 ms

DNS resolutionNOERROR

Redirect chain

https://www.optable.co/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

198.202.211.1

MX 5

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

TXT 23

openai-domain-verification=dv-8GuwwjoFTjLMp25tstQqiGye
MS=ms33636754
bw=OVRtRX99FIoRejzKadxSbxAVOgyEGRH7mgrhnUJbTrSC
protonmail-verification=a96354213d8d0baa8f7da2b41b7216ce9ab6994b
google-site-verification=GDSUP_RXFRsq_N5Rxt20tlX7fFMu7uNuP-nY9v8A2_4
agentic-advertising-org-domain-verification-2279cx=m06kJ4iJ27cNjHegBpY5rsXvw
atlassian-domain-verification=O2C7bTpXkhYEJo85SHnvm8XaK8sIZZb2ljv3poZWI852LDEHNmvjNE8LLFQoQ8uv
slack-domain-verification=h8ReQlCUaRkqhTWmVxH2rJgeWy9yQW5CyKPz1NWk
v=spf1 mx include:_spf.google.com include:sendgrid.net include:8712502.spf07.hubspotemail.net -all
TAILSCALE-GTiHCVoBuOa55Bzza10p

NS 4

ns-cloud-b3.googledomains.com
ns-cloud-b4.googledomains.com
ns-cloud-b1.googledomains.com
ns-cloud-b2.googledomains.com

SOA 1

ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com

CAA 2

issue pki.goog; cansignhttpexchanges=yes
issue letsencrypt.org

TLS Certificates (0)

None.

Subdomains (7)

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 optable.co. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: c2e768d7-4e41-425e-971c-f0baf0927ee8
Output Hash: 06b9ca4e5ff9faa90bedf03c1ed47ba79de972e5d498bdc9c79a9eb56526f181
Signature: ed25519:b6280c0a10ef1f59f521a83ce7394c6834a72b5aeae96147b1845cb68fab3d03db2d27f6f263e24eff33f687432dbe992e7674b21856f0a3317c1eb97fca480d
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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