SPF Checker: Free Online Tool and Practical Guide
Find SPF records and flag common configuration problems. This guide explains how to use the free tool and understand the result.
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DMARC Checker: Free Online Tool and Practical Guide
Inspect DMARC policy, reporting and enforcement level. This guide explains how to use the free tool and understand the result.
DKIM Checker: Free Online Tool and Practical Guide
Look up a DKIM TXT record using a supplied selector. This guide explains how to use the free tool and understand the result.
DNS Record Lookup: Free Online Tool and Practical Guide
Inspect A, AAAA, MX, TXT, NS, CNAME and SOA records. This guide explains how to use the free tool and understand the result.
MX Lookup: Free Online Tool and Practical Guide
Check mail exchanger records and priorities. This guide explains how to use the free tool and understand the result.
Free DNS Propagation Checker: Compare DNS Answers
Compare DNS answers from your server, Google Public DNS and Cloudflare 1.1.1.1. This guide explains how to use the free tool and understand the result.
