In other words, a snafu by North Korea’s system administrators allowed anyone to ask the country’s nameserver: “can I have all of your information on this domain?” and get an answer, giving everyone a peek into the strange world of North Korea’s web.

“Now we have a complete list of domain names for the country and it’s surprisingly (or perhaps unsurprisingly) very small,” Matt Bryant, a security engineer who found out about the mistake, told Motherboard in an email.

North Korea has only 28 registered domains, according to the leaked data.

“We didn’t think there was much in the way of internet resources in North Korea, and according to these leaked zone files, we were right,” Doug Madory, a researcher at Dyn, a company that monitors internet use and access around the world, told Motherboard.