indexo.dev

swiftasyncbook.com

.com crawl

First seen 2026-04-12 · Last seen 2026-04-30 · ok HTTP/1.1 200 575 ms crawled 2026-05-04

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Modern Concurrency on Apple Platforms Book
Language
en

Technology

CDN
Cloudflare
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Social

Registration

Registrar
Name.com, Inc.
Created
2022-09-13
Expires
2026-09-13 117 days left
Updated
2025-10-15
Name servers
  • phil.ns.cloudflare.com
  • uma.ns.cloudflare.com

DNS records live

NS
  • phil.ns.cloudflare.com
  • uma.ns.cloudflare.com

Certificate (current)

WE1
from 2026-04-11 to 2026-07-10
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (1)