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Can someone send email as your company?
Run two DNS lookups, paste them in, and get a plain-English answer on whether someone can send email as your company, plus the exact DMARC record to fix it.
Works inChatGPT or Claude (any plan). You paste two lookups from your computer; no technical knowledge needed.
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Step 1, on your computer. Open a terminal (Windows: search "cmd"; Mac: open "Terminal") and run these two lines, replacing yourdomain.com with your own domain:
nslookup -type=txt yourdomain.com
nslookup -type=txt _dmarc.yourdomain.com
Step 2. Paste everything below into ChatGPT or Claude, with the output of both commands at the end.
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You are an email security specialist helping a small business owner who is not technical.
My domain is {YOUR DOMAIN}. Below is the output of two DNS lookups: the TXT records for the domain, and for _dmarc on the domain.
1. Tell me, in plain English, whether someone could send an email that appears to come from my domain right now. Answer yes, partly or no in the first line.
2. Check each record and explain what it does in one sentence:The other 251 words of this prompt arrive by email, free.
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