indexo.dev

circuitspacketsandprotocols.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 3681 ms crawled 2026-05-08

DE · 35.157.26.135 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Circuits, Packets, and Protocols
Description
Circuits, Packets, and Protocols tells the story of the engineers, entrepreneurs, investors, and visionaries who laid the groundwork and built the foundations of the Internet.

Technology

CDN
Netlify
Analytics
  • Google Tag Manager
  • Plausible
Fonts
  • Adobe Fonts
  • Google Fonts
Third-party hosts loaded (7)
  • fonts.googleapis.com×2
  • cdn.jsdelivr.net×1
  • cdnjs.cloudflare.com×1
  • fonts.gstatic.com×1
  • plausible.io×1
  • use.typekit.net×1
  • www.googletagmanager.com×1

Registration

Registrar
NameCheap, Inc.
Created
2022-06-30
Expires
2026-06-30 42 days left
Updated
2025-05-31
Name servers
  • dns1.p05.nsone.net
  • dns2.p05.nsone.net
  • dns3.p05.nsone.net
  • dns4.p05.nsone.net

DNS records live

NS
  • dns1.p05.nsone.net
  • dns2.p05.nsone.net
  • dns3.p05.nsone.net
  • dns4.p05.nsone.net

Email authentication no MX

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

Certificate (current)

E7
from 2026-03-25 to 2026-06-23
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://circuitspacketsandprotocols.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=31536000

Links to (2)

Linked from (1)