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📰 Dev.to · CodeLong888

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How to check if an IP is blacklisted (DNSBL), from raw DNS to one curl

Dev.to · CodeLong888 8h ago

How to check if an IP is blacklisted (DNSBL), from raw DNS to one curl

Your emails start bouncing, or a website suddenly challenges every request from your server. Very...

how i run a 2,500-page directory from a single cloudflare worker

Dev.to · CodeLong888 1w ago

how i run a 2,500-page directory from a single cloudflare worker

quick build writeup, because i haven't seen many people run a directory this way and it's been...

I built 1,081 free tools. Today a stranger finally asked to join.

Dev.to · CodeLong888 1w ago

I built 1,081 free tools. Today a stranger finally asked to join.

Seventeen days ago I launched yourhack.ai, a directory of free, client-side web tools. Calculators,...

i built 1000+ free web tools in a couple weeks and turns out building it was the easy part

Dev.to · CodeLong888 1w ago

i built 1000+ free web tools in a couple weeks and turns out building it was the easy part

so i've been building this thing called yourhack.ai for the last couple weeks and i wanted to write...

I put 300+ free web tools in one place, with no ads and no signup

Dev.to · CodeLong888 3w ago

I put 300+ free web tools in one place, with no ads and no signup

I use a lot of little web tools. A JSON formatter here, a cron parser there, a "cm to inches" when I...

Check your IP, ASN, and VPN/proxy leaks from the terminal with curl (no signup, no key)

Dev.to · CodeLong888 ☁️ DevOps & Cloud ⚡ AI Lesson 4w ago

Check your IP, ASN, and VPN/proxy leaks from the terminal with curl (no signup, no key)

Every "what's my IP" site is a bloated page covered in ads, cookie banners, and "sign up for a VPN"...

I tracked which AI models people actually use for a month. The top 5 are all Chinese or open-weight.

Dev.to · CodeLong888 🛠️ AI Tools & Apps ⚡ AI Lesson 4w ago

I tracked which AI models people actually use for a month. The top 5 are all Chinese or open-weight.

Everyone argues about which AI model is "best" using benchmarks. I wanted to know something simpler:...

My deploy agent could have dropped my database and I didn't realize

Dev.to · CodeLong888 ☁️ DevOps & Cloud ⚡ AI Lesson 1mo ago

My deploy agent could have dropped my database and I didn't realize

I run a small free privacy-tools site as a side project. The product was fine. The maintenance was...

I Built a Free Meme API with 2,300+ Templates on Cloudflare Workers

Dev.to · CodeLong888 🛠️ AI Tools & Apps ⚡ AI Lesson 2mo ago

I Built a Free Meme API with 2,300+ Templates on Cloudflare Workers

Last month I wanted to add meme generation to a side project. Every meme API I found was either paid,...

How to Check for Email Breaches Programmatically (Free API, No Key)

Dev.to · CodeLong888 🔐 Cybersecurity ⚡ AI Lesson 3mo ago

How to Check for Email Breaches Programmatically (Free API, No Key)

The Problem You're building an app and need to warn users if their email has been...