indexo.dev

commonprefix.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 1476 ms crawled 2026-05-06

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Common Prefix
Description
Common Prefix is a team of scientists and engineers researching and implementing blockchain protocols.
Language
en

Open Graph

url
https://commonprefix.com/
title
Common Prefix
description
Common Prefix is a team of scientists and engineers researching and implementing blockchain protocols.

Technology

CDN
Vercel
CMS
Gatsby
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
NameCheap, Inc.
Created
2021-03-05
Expires
2030-03-05 1385 days left
Updated
2026-02-03
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
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
TXT
  • keybase-site-verification=CNaUsDhlUKGBq7akP7N5XFUNfqjcpP0Rs35_JCsXIic
  • google-site-verification=HamceXkJaHnMHzYAibUexSANLJjsXg-0Wc0UMvLHhYU

Email authentication partial

SPF
not published
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm6oOQ6gu9J0OrdTv2n+CM4Sku8lwkTH3qCgSLPWUO+lKASsr8d8I6/cCQL1PfW5s41iAjAkuAs1vGx…
selectors probed

Certificate (current)

R12
from 2026-04-22 to 2026-07-21
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.commonprefix.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 (2)