About domainreach.io
We help businesses detect domain blocks before they impact users. When ISPs or regulators restrict access to your website, your customers see error pages, your revenue drops, and your reputation suffers — often without you knowing. domainreach.io exists to close that visibility gap.
What We Do
domainreach.io is a domain blacklist monitoring platform that checks your website's accessibility from real ISP connections in 50+ countries. Unlike uptime monitors that rely on datacenter proxies, we route every check through actual consumer internet service providers — the same networks your users are on.
This matters because ISP-level blocks are invisible from datacenters. A domain can be fully operational on your servers while being completely unreachable for millions of users in a specific country. We detect these blocks and alert you within seconds, so you can respond before the impact spreads.
Real local ISP connections across Europe, CIS, Asia, Latin America, and North America.
Automated checks run every 60 seconds with results stored for trend analysis and reporting.
Telegram notifications the moment a block is detected in any monitored country or ISP.
Our Approach
Real local ISP Connections
Every check is executed from an actual consumer ISP connection — not a datacenter proxy, VPN, or cloud server. This is the only way to see what real users experience. ISPs enforce blocks at the network level, and these blocks are often invisible from commercial hosting infrastructure. Our monitoring infrastructure spans local connections across all major regions.
Multi-Layer Block Detection
ISPs block domains using different technical methods depending on the country and regulatory framework. We detect all common blocking mechanisms: DNS poisoning and NXDOMAIN injection, HTTP response filtering and redirect injection, SSL/TLS certificate inspection blocking, and deep packet inspection (DPI). Each check analyzes multiple layers of the connection to give you a complete picture.
Instant Alerts and Actionable Data
When a block is detected, you receive a Telegram alert within seconds — including the country, ISP, and type of block. Full historical data is available in the dashboard for trend analysis, compliance reporting, and identifying patterns across regions. Our REST API lets you integrate monitoring data into your existing tools and workflows.
Our Team
Built by engineers with deep experience in network monitoring, ISP infrastructure, and compliance for regulated industries. We have spent years working with the technical realities of how ISPs filter traffic and how businesses are affected by domain blocks across different jurisdictions.
Our background spans internet service providers, network security, and building monitoring tools for industries where domain accessibility directly impacts revenue — including iGaming, affiliate marketing, fintech, and media. We built domainreach.io because we saw firsthand how difficult it was to get reliable, real-world data on domain blocks.
Contact Us
Have questions about domain monitoring, need a custom integration, or want to discuss enterprise plans? We are happy to help.