"DNS Doctor" matching MCP connectors:

MailBotsA

top.mailbots

Read the verification code (OTP) and test emails your app sends to a catch-all test hostname. Four read-only tools: list_domains, get_latest_otp, list_messages, get_message. Needs a MailBots API key from the 14-day free trial (no card, no DNS) or a paid plan. Setup: https://mailbots.top/docs/mcp

Inbox Placement TestA

online.live-direct-marketing.check

Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health, and live SSE results.

Website health, SEO, security-header, SSL and broken-link audits for AI agents.

Check a deployed web app for security headers, SEO, accessibility and performance, with a grade.

Premium test server verified via DNS-TXT.