check_domain
Read-only
check domain
net.isitdns/isitdns
Is it DNS? Audit a site or domain that isn't working: one call says if it resolves and why. No key.
transport:streamable-http
tools:6
Target client
run in your project directory
claude mcp add --transport http isitdns https://isitdns.net/mcpsetup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
dig
dig
trace
trace
dnssec_chain
dnssec chain
sweep_domain
sweep domain
registration
registration
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.