contribsys.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-09 · ok HTTP/1.1 200 430 ms crawled 2026-05-06

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title: Contributed Systems
Description: Contributed Systems provides open source and commercial background job systems for ruby, go, python, elixir and javascript business applications
Language: en

Technology

CDN: Fastly
Server: GitHub.com

Social

Contact

Email

Registration

Registrar

1API GmbH

Created

2014-07-07

Expires

2030-07-07 1510 days left

Updated

2025-11-23

Name servers

ns1.dnsimple.com
ns2.dnsimple-edge.net
ns3.dnsimple.com
ns4.dnsimple-edge.org

DNS records live

NS

ns1.dnsimple.com
ns2.dnsimple-edge.net
ns3.dnsimple.com
ns4.dnsimple-edge.org

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

TXT

google-site-verification=VDSt2ejfmgbmkyj1Rlg_aCnOxb87W1GWhkM_KUngcK4
ALIAS for mperham.github.io

Email authentication partial

SPF: v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-01 to 2026-07-30

Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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