dnsdoctor

dnsdoctor/claude-plugin

Plugin Claude Code

Plugin marketplace listing 1 plugin: dns-doctor.

dnsdoctor/claude-plugin

Plugin Claude Code

Diagnose and fix a domain's email authentication (SPF, DMARC, DKIM, MX, blacklist, expiry). Returns deterministic verdicts and copy-paste fix records generated by a validating engine — never a guessed record.

dnsdoctor/claude-plugin

MCP server Claude CodeCodexCursor +2

MCP server "dns-doctor", hosted remotely at dnsdoctor.dev, as configured in dnsdoctor/claude-plugin.

dnsdoctor/claude-plugin

Skill Claude CodeCodex

Use when a domain's email is landing in spam, or you see SPF PermError / "too many DNS lookups", DMARC stuck at p=none, a "550 5.7.515" or "550 5.7.1" rejection, DKIM failures, or a domain that might be blacklisted. Diagnoses SPF, DMARC, DKIM, MX, DNS, blacklist and domain/SSL expiry against the DNS Doctor MCP server…