indexo.dev

cofounderslab.com

.com crawl

First seen 2026-04-30 · Last seen 2026-04-30 · ok HTTP/1.1 200 945 ms crawled 2026-05-08

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Language
en

Technology

CDN
Vercel
CMS
Next.js
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • rsms.me×1

Social

Registration

Registrar
Tucows Domains Inc.
Created
2011-01-29
Expires
2027-01-29 255 days left
Updated
2026-01-28
Name servers
  • ns-1031.awsdns-00.org
  • ns-1693.awsdns-19.co.uk
  • ns-492.awsdns-61.com
  • ns-860.awsdns-43.net

DNS records live

NS
  • ns-1031.awsdns-00.org
  • ns-1693.awsdns-19.co.uk
  • ns-492.awsdns-61.com
  • ns-860.awsdns-43.net
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 10 inbound-smtp.us-east-1.amazonaws.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 4 TXT records
  • dhjog61ub0bu7r9796n39ndtkr
  • google-site-verification=9cQfI_Hq8qthj-mOdqSDVMNv3Wn-zBeVqgGV2xW2Nng
  • google-site-verification=KGVj3ctOXyHMUP6XahRAOCfT9RdB7JkEy4dJ3I6nryE
  • Sendinblue-code:0cb1182d905bd27290464b3da20539ff

Email authentication partial

SPF
v=spf1 a mx include:mailgun.org include:2232636.spf01.hubspotemail.net include:_spf.google.com include:spf.customerly.io include:spf.sendinblue.com mx ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

R13
from 2026-03-08 to 2026-06-06
Expires in 18 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://cofounderslab.com/

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=63072000

Links to (3)

Linked from (1)