#dns

A filter composed of several other filters (AdGuard Base filter, Social media filter, Tracking Protection filter, Mobile Ads filter, EasyList and EasyPrivacy) and simplified specifically to be better compatible with DNS-level ad blocking.

The direct link to the filter: https://adguardteam.github.io/AdGuardSDNSFilter/Filters/filter.txt.

Please note, that to use this filter it is necessary to support basic ad blocking rules syntax. It does not make much sense to extract just the hosts file.

A comprehensive email domain validation library. Supports DNS, MX, SPF, SMTP, DKIM, DMARC, BIMI, TLSRPT and MTA-STS.

MX record validation SMTP server connection testing DKIM record lookup DMARC policy validation MTA-STS support (RFC 8461) IPv4/IPv6 support Local IP blocking DNS failover resolvers Punycode/IDN support TypeScript support

FastDomainCheck MCP Server is a Model Context Protocol (MCP) server implementation that enables secure, two-way connections between AI tools (like Claude) and domain availability data. By following the open MCP standard, it ensures seamless compatibility with various AI-powered applications.