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musl-libc.org

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First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 34198 ms crawled 2026-05-17

US · 45.63.0.111 · AS20473 The Constant Company, LLC

Reputation 94/100 dmarc monitor-only

sector tech type docs

HTML metadata

Title
musl libc

Technology

Server
tipidee

Registration

Registrar
NameCheap, Inc.
Created
2011-09-13
Expires
2026-09-13 116 days left
Updated
2025-08-19
Name servers
  • ns1.libc.org
  • ns2.libc.org

DNS records live

NS
  • ns1.musl-libc.org
  • ns2.musl-libc.org
MX
  • 10 brightrain.aerifal.cx

Email authentication partial

SPF
v=spf1 mx
no all qualifier
DMARC
v=DMARC1;p=none;sp=none;pct=0;
policy: none (monitoring only) · pct=0 · sp=none
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-25 to 2026-07-24
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.musl-libc.org/

present
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
default-src 'self'; style-src 'self' 'unsafe-inline';

Links to (2)

Linked from (1)