datasketch.co

.co crawl

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 1485 ms crawled 2026-05-18

US · 75.2.60.5 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Language
en

Technology

CDN
Netlify
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×3
  • fonts.gstatic.com×1
  • static.zdassets.com×1
  • upload-widget.cloudinary.com×1

DNS records live

NS
  • ns-1360.awsdns-42.org
  • ns-1675.awsdns-17.co.uk
  • ns-502.awsdns-62.com
  • ns-576.awsdns-08.net
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google
  • Meta

Email authentication partial

SPF
v=spf1 include:_spf.google.com include:mail.zendesk.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:david@datasketch.co
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDARfEs6SDyC3zK5SZ86AwaW95XmeRde6d1pGUv9o0+onrfvp1hGngFFcrSAsYGd4D3VvV2eki8/A5h0Qbam8…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnfCD+IRzxjxI7Kt0ful5BekQRvmntZ58boV7sy1O+P085bskS2s7GpUWnWq8qmegagI+TwLk6SFEtHX1cS…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAymL/L4z/xyp/Sj0ncfCmCl9hm4vbOUbErW0OYZSsZZMG4V87YigMDko2lfTFI/MwoCOIQQpxgM65pzV2mV…
selectors probed

Certificate (current)

E8
from 2026-04-03 to 2026-07-02
Expires in 42 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://datasketch.co/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Linked from (1)