indexo.dev

swerdlow.dev

.dev crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 3973 ms crawled 2026-05-07

US · 216.198.79.65 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Language
en

Technology

Server
openresty
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×3
  • fonts.gstatic.com×1

Social

DNS records live

NS
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com
TXT
  • openai-domain-verification=dv-nwfwWtNEmkaZdYVekhJQgmCp

Email authentication no MX

SPF
not published
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-13 to 2026-06-11
Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.swerdlow.dev/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)