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DNSai is a collection of DNS and email security tools on one page. It covers DNS record lookups, WHOIS, blacklist checks, SPF, DKIM and DMARC builders and validators, email header analysis and bulk domain scanning. The tools return plain-English AI summaries, and each is available through an API and MCP connectors.
MXToolbox tool for analyzing email headers, tracing message routes, and spotting delivery or authentication issues.
IntoDNS.AI is a DNS and mail server checker that reports on SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI, FCrDNS and blacklists. It also offers a free public REST API for DNS and email security scans, with JSON and Markdown reports. The service states it is not affiliated with intodns.com.
