Earlier this week, we started getting reports from several of our users that they couldn't connect to our website anymore. This was very strange because 1.) we hadn't changed anything and, 2.) clearly most of our users could connect just fine.
After some investigation, we noticed that the people that were having connection problems all used "shaw.ca" as their ISP. Some more testing revealed that for some unknown reason, the DNS servers at shaw.ca were missing our DNS record.
(Background: A "DNS Server" is a computer that converts an Internet name
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