Most Cracked GTM Engineer
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domain-blacklist-DNS-check
domain-blacklist-DNS-check PublicCheck domains for email blacklists (Spamhaus, URIBL, SURBL, ZEN, SpamCop, Barracuda) + missing SPF/DKIM/DMARC. Pure DNS, zero deps, no API keys. Ships as a Claude Code skill + standalone CLI.
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