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libraries.io

.io crawl

First seen 2026-04-13 · Last seen 2026-05-17 · ok HTTP/1.1 200 1464 ms crawled 2026-05-07

US · 35.244.128.241 · AS396982 Google LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Libraries.io - security & maintenance data for open source software
Description
Discover open source packages, modules and frameworks you can use in your code.
Language
en

Open Graph

url
https://libraries.io
title
Libraries.io - security & maintenance data for open source software
site name
Libraries.io
description
Discover open source libraries, modules and frameworks you can use in your code

Social

Contact

Email

DNS records live

NS
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=T7mpf5PWPplRaTBIMccMRWqjbg2lvkRrnRjKWnA2tBE

Email authentication partial

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

Certificate (current)

WR3
from 2026-05-05 to 2026-08-03
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://libraries.io/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains

Links to (3)

Linked from (5)