indexo.dev

sibsoft.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 604 ms crawled 2026-05-18

US · 104.21.0.144 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
SibSoft Ltd: Perl custom software development and file sharing solutions
Description
SibSoft Ltd offers Perl and PHP custom software development as well as file sharing solutions, web scrapping, linux administration, website support
Language
en-US

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Registrar
Dynadot Inc
Created
2003-10-14
Expires
2026-10-14 147 days left
Updated
2025-09-29
Name servers
  • lee.ns.cloudflare.com
  • zara.ns.cloudflare.com

DNS records live

NS
  • lee.ns.cloudflare.com
  • zara.ns.cloudflare.com
MX
  • 1 mx1.sibsoft.net
TXT
  • google-site-verification=OoLeZsjCZzbN4JKETG8e0DVM_qCLSHH5D0iJtxeVhwg
  • spf2.0/mfrom,pra +mx ip4:51.68.126.74 ip6:2001:41d0:305:2100::a720 include:_spf.google.com include:spf.unisender.com ~all
  • google-site-verification=NZTndMLZP-z8A5FqFOKpf_tCngKhjetER6RhschMOYo

Email authentication weak

SPF
v=spf1 +mx ip4:51.68.126.74 ip6:2001:41d0:305:2100::a720 include:_spf.google.com include:spf.unisender.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-23 to 2026-06-21
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sibsoft.net/

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 (3)