indexo.dev

angstromctf.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-13 · ok HTTP/1.1 200 322 ms crawled 2026-05-13

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
ångstromCTF

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • unpkg.com×2
  • fonts.googleapis.com×1

Registration

Registrar
Amazon Registrar, Inc.
Created
2015-03-20
Expires
2027-03-20 305 days left
Updated
2026-02-13
Name servers
  • joaquin.ns.cloudflare.com
  • martha.ns.cloudflare.com

DNS records live

NS
  • joaquin.ns.cloudflare.com
  • martha.ns.cloudflare.com
TXT
  • google-site-verification=U50ZrYygWZDnMhO59CXpBF-q95_aVuqtbaTidlRA6PA

Email authentication no MX

SPF
v=spf1 include:amazonses.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-02 to 2026-07-31
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://angstromctf.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=31556952

Links to (1)

Linked from (1)