Recent Posts
2 years ago - Celebrate tiny learning milestones
2 years ago - How to use undocumented web APIs
2 years ago - Some tiny personal programs I've written
2 years ago - Some things about getaddrinfo that surprised me
2 years ago - Things that used to be hard and are now easy
2 years ago - The multiple meanings of "nameserver" and "DNS resolver"
2 years ago - A toy DNS resolver
2 years ago - Reasons for servers to support IPv6
2 years ago - Hosting my static sites with nginx
2 years ago - Some ways DNS can break
2 years ago - How to find a domain's authoritative nameservers
2 years ago - Why might you run your own DNS server?
2 years ago - 2021: Year in review
2 years ago - New tool: Mess with DNS!
2 years ago - DNS "propagation" is actually caches expiring
2 years ago - How to use dig
2 years ago - Debugging a weird 'file not found' error
2 years ago - Some notes on using esbuild
2 years ago - How do you tell if a problem is caused by DNS?
2 years ago - How to get useful answers to your questions
2 years ago - Tools to explore BGP
2 years ago - All my zines are now available in print!
2 years ago - New tool: an nginx playground
2 years ago - Teaching by filling in knowledge gaps
2 years ago - Debugging by starting a REPL at a breakpoint is fun
2 years ago - Quadratic algorithms are slow (and hashmaps are fast)
2 years ago - Patterns in confusing explanations
2 years ago - Write good examples by starting with real code
2 years ago - Reasons why bugs might feel "impossible"
2 years ago - You can now buy print version of my zines!
2 years ago - Blog about what you've struggled with
2 years ago - How to look at the stack with gdb
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