indexo.dev

js1k.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 657 ms crawled 2026-05-07

US · 173.236.240.138 · AS26347 New Dream Network, LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
JS1k - The JavaScript code golfing competition
Canonical
https://js1k.com/
Feeds

Technology

Server
Apache

Social

Registration

Registrar
Key-Systems GmbH
Created
2010-08-03
Expires
2026-08-03 73 days left
Updated
2025-12-02
Name servers
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com

DNS records live

NS
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com
MX
  • 10 aspmx1.migadu.com
  • 20 aspmx2.migadu.com

Email authentication partial

SPF
v=spf1 a mx include:spf.migadu.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; fo=1; rua=mailto:dmarc@js1k.com
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; s=email; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClJyZiB/GpAGlxtZyVRUydcfLmIn9nJ+PqEsDMIjJB7R2Ng6x7FrO7bSMxS3BOca2xwg4NND/Nr…
selectors probed

Certificate (current)

R13
from 2026-05-04 to 2026-08-02
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://js1k.com/

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)