themodernsoftware.dev

.dev crawl

First seen 2026-04-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 709 ms crawled 2026-05-18

DE · 63.176.8.218 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
CS146S: The Modern Software Developer - Stanford University
Language
en

Technology

CDN
Netlify
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

DNS records live

NS
  • dns1.p09.nsone.net
  • dns2.p09.nsone.net
  • dns3.p09.nsone.net
  • dns4.p09.nsone.net
MX
  • 1 smtp.google.com
TXT
  • google-site-verification=BzlHr6sfTzmFon-YGGmMv89oxaVLpY243FvYok6ejm0

Email authentication weak

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

Certificate (current)

E8
from 2026-03-20 to 2026-06-18
Expires in 30 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://themodernsoftware.dev/

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

Linked from (2)