S shielddeskhq.com Show HN: I built a free email security checker for small businesses A free tool that checks SPF, DMARC, DKIM, SSL and MX records for any business domain in 30 seconds. No backend — just HTML and Google's DNS-over-HTTPS API.Built because 7 in 10 small businesses fail basic email security checks and have no idea. 3 points minhajulmahib 6 months ago 4 comments
Built because 7 in 10 small businesses fail basic email security checks and have no idea.