indexo.dev

sinatrarb.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 442 ms crawled 2026-05-07

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sinatra
Feeds

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (2)

  • ajax.googleapis.com×1
  • code.cdn.mozilla.net×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2007-11-09
Expires
2026-11-09 173 days left
Updated
2022-09-04
Name servers
  • ns51.domaincontrol.com
  • ns52.domaincontrol.com

DNS records live

NS
  • ns51.domaincontrol.com
  • ns52.domaincontrol.com
MX
  • 0 smtp.secureserver.net
  • 10 mailstore1.secureserver.net

Email authentication weak

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

Certificate (current)

R12
from 2026-04-28 to 2026-07-27
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sinatrarb.com/

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 (3)