KTool tech stack
KTool is the ultimate Kindle tool. It lets you send web articles to Kindle: blog posts, Hacker News discussions, newsletters and many more.
ktool.io ↗Checked Sep 2026
Foundation
“Listed in their tool stack on Starter Story (stack)” — the maker, Aug 2023 ↗
On its website: DNS: resend._domainkey.ktool.io TXT (record present); DNS: send.ktool.io MX feedback-smtp.us-east-1.amazonses.com source · Oct 2026 ↗
On its website: DNS: s1._domainkey.ktool.io CNAME s1.domainkey.u7856094.wl095.sendgrid.net; DNS: s2._domainkey.ktool.io CNAME s2.domainkey.u7856094.wl095.sendgrid.net source · Oct 2026 ↗
Money
“Listed in their tool stack on Starter Story (payments)” — the maker, Aug 2023 ↗
On its website: Homepage loads cdn.paddle.com source · Oct 2026 ↗
Shipping
“Domain & Hosting: Render , Cloudflare Email: Bento , GSuite Payment: Paddle SEO: KeySear” — the maker, Aug 2023 ↗
Growth
“Listed in their tool stack on Starter Story (analytics)” — the maker, Aug 2023 ↗
“Listed in their tool stack on Starter Story (email)” — the maker, Aug 2023 ↗
“Listed in their tool stack on Starter Story (analytics)” — the maker, Aug 2023 ↗
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