3/18 2nd level DNS propagation failure
On 3/18 from 2:48p CST to 4:19p CST, our 2nd level domain names stopped propagating to the world or was spotty. Our company uses CloudFlare's free DNS account for our domain name resolutions. We have used the service for years. We used 3rd party tools to validate that our propagation was not working worldwide or CloudFlare was not answering such queries. It mysteriously started working at 4:19p CST. We are unable to find a root cause. Any ideas?
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