Domain Health Precheck

    1

    Check whether one sending domain is safe for cold outreach by reading its SPF, DKIM and DMARC records and its blacklist status.

    Free

    2 installsSecurity scanned

    Works with the AI tools you already use

    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIGitHub CopilotGitHub CopilotGemini CLIGemini CLI+20 more

    Domain Health Precheck

    Example session with this skill installed

    I'm launching a new React component library for data visualization. Where should I list this, and can you prepare the copy? I have 4 hours for this task.

    • Read your context and instructions
    • Compiled the domain health precheck

    I've ranked the top 8 directories for your React library, including specific dev-tool marketplaces.

    Selected Directories

    1. Product Hunt (General)
    2. Made with React (Niche)
      ...

    Asset Set

    • 280-char description: [Text]
    • 1000-char description: [Text]
    • Field Matrix: [Link/Table]

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Check whether one sending domain is safe for cold outreach by reading its SPF, DKIM and DMARC records and its blacklist status. Use when someone asks about email deliverability, domain health, SPF or DKIM or DMARC setup, whether a domain is blacklisted, or whether they will land in spam.

    Every free skill sits on a 30 day review cycle. Fixes and improvements ship as repo updates. Free forever. The premium version of this workflow lives in the Deliverability Pack at mambabuilt.com.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

      Free skills download straight away. Paid skills unlock right after purchase.

    2. 2

      Unzip into your skills folder

      Every agent reads skills from one folder on your machine. Drop the unzipped folder in there.

    3. 3

      Ask your agent to use it

      Restart the agent if it was already running. It picks the skill up automatically - no config needed.

    Skills folder by agent

    Click the path to copy it. Create the folder if it does not exist yet.

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    Security scanned

    Passed our 8-point scan before listing

    2 installs

    Downloaded by developers to date

    Free forever

    No account required to browse

    Trust & safety

    Security scanned

    Verified clean 1 month ago

    • Free to download with an account

    Listed1 month ago

    What's inside

    Frequently Asked Questions