# rbldns.ru - **Website:** - **Primary alias:** `rbldns.ru` ## Description Blacklist is a leading brand in the fight against spam and unwanted emails. Our DNSBL service, based on the classic RBL/DNSBL technology, delivers an impressive 98-99.8% effectiveness in filtering out spam. Our target audience includes mail system administrators who need to tackle spam-related issues but lack the experience or tools to do so effectively. Whether you are looking for technical recommendations, information on how to connect to our service, or want to understand the differences between our solution and others, Blacklist has got you covered. We also provide guidance on setting up your domain to ensure smooth integration with our RBL/DNSBL service. At Blacklist, we are always open to collaborations, individualized approaches, sponsorships, and any other form of support to enhance our service. Feel free to reach out to us with your suggestions and wishes. Join us in the battle against spam and make your email communication more secure and efficient. ## Industries - 🖥 Computers Electronics and Technology - 🖥 Computer Security _(under Computers Electronics and Technology)_ - 🖥 Email _(under Computers Electronics and Technology)_ ## Logos & icons - logo _(primary)_ — PNG — [download](https://cdn.brandfetch.io/iddyo6HRgm/w/150/h/77/theme/dark/logo.png?c=1bxid64Mup7aczewSAYMX&t=1739880507758) ## Colors | Name | Hex | Theme | | --- | --- | --- | | Mariner | #2971bd | accent | | Limeade | #599203 | dark | | Manhattan | #f7ce8c | light | ## Fonts - Open Sans — asset _(google)_ - Arial — asset _(custom)_ --- _Source: _ _See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._