calvinx.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 281 ms crawled 2026-05-18

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
calvinx - Shape what gets built and the value it creates. | calvinx
Description
Shape what gets built and the value it creates. Ideas on design, product, leadership.
Language
en
Generator
Docusaurus v3.9.2
Canonical
https://calvinx.com/
Translations
  • en
Feeds

Open Graph

url
https://calvinx.com/
title
calvinx - Shape what gets built and the value it creates. | calvinx
locale
en
description
Shape what gets built and the value it creates. Ideas on design, product, leadership.

Technology

CDN
Vercel

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×1

Social

Registration

Registrar
Tucows Domains Inc.
Created
2010-01-04
Expires
2027-01-04 230 days left
Updated
2025-12-20
Name servers
  • abby.ns.cloudflare.com
  • dan.ns.cloudflare.com

DNS records live

NS
  • abby.ns.cloudflare.com
  • dan.ns.cloudflare.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-10 to 2026-07-09
Expires in 52 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://calvinx.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)