optable.co
Observed Jul 18, 2026, 12:48 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesSlackGoogle Search ConsoleHubSpotAtlassian
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
ns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.com
googledomains.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more
Google Workspacereceives its email
TLS
optable.co
Google Trust Servicesissued its certificate
DNS Records
A 1
198.202.211.1
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10aspmx2.googlemail.com10aspmx3.googlemail.com
TXT 21
MS=ms33636754TAILSCALE-GTiHCVoBuOa55Bzza10pbw=OVRtRX99FIoRejzKadxSbxAVOgyEGRH7mgrhnUJbTrSCopenai-domain-verification=dv-8GuwwjoFTjLMp25tstQqiGyecursor-domain-verification-dsxx0c=Vt6PbUbKPwPs6lwpdLKgXHskXfloat-verification-code-3756e63a-6763-4945-8015-eefca2ab812afloat-verification-code-bd1fb0b0-9cf4-4860-8d60-3c03957b9362anthropic-domain-verification-gc9gg5=e6tAmAmNhZDFnAV2Jzf87gcyPremote-domain-verification=74ae6809-b547-43e4-ab8c-1dbaafe8b9dfprotonmail-verification=a96354213d8d0baa8f7da2b41b7216ce9ab6994b
NS 4
ns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.com
SOA 1
ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com
CAA 2
issue "letsencrypt.org"issue "pki.goog; cansignhttpexchanges=yes"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
optable.co |
C=US, O=Google Trust Services, CN=WE1 | Fri, 21 Aug 2026 23:43:13 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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 receiptEd25519 Receipt
- Receipt ID
9b7e24ad-5306-4893-8abd-f93d4078205f- Output Hash
cdb8c8a1331b42668a7d0142d30f8f03c1c1e10c06ec82655bca2e7d9635e1ac- Signature
ed25519:81b66e1eb210e2294e6cf9af3a26595122868f07a6afce4692f688acfb510d64cd0d472b83fa63afc15a998d15e5e25dca59286befb80dd3de8a206494c1c607- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast