http4s.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 954 ms crawled 2026-05-18

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
http4s
Description
Documentation for http4s
Language
en
Generator
Typelevel Laika + Helium Theme

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×2

Social

Registration

Registrar
NameCheap, Inc.
Created
2013-01-23
Expires
2029-01-23 979 days left
Updated
2026-05-14
Name servers
  • grant.ns.cloudflare.com
  • mira.ns.cloudflare.com

DNS records live

NS
  • grant.ns.cloudflare.com
  • mira.ns.cloudflare.com
MX
  • 10 mx1.improvmx.com
  • 20 mx2.improvmx.com

Email authentication weak

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

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 68 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://http4s.org/

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

Links to (2)

Linked from (1)