Nowadays many enterprise DNS providers provide healthchecks based DNS failover solution, including from AWS Route 53. The premise of this is directing the traffic towards the available nodes only using the DNS authority chain for the records.
Managing authoritative and recursive name servers (i.e. DNS servers) at hopbox, has shown us a bunch of quirks and insights of domain name system.
Basic function of Domain Name System (DNS) is to translate domain names to IP and vice-versa. It’s the phonebook of the computer. Why you may ask, because human’s remember domain names easily, wikipedia.org is easier than 103.102.166.224 . The IP is then used by the computer to fetch required resource for us.
We at Hopbox have been Free Software users and contributors for more than a decade now. We were looking to contribute more to the community in a different from usual way. Downloads from GNU FTP mirrors were slow in India and there existed only 1 mirror (when we decided) for whole of India. As of 4th April 2024, we’re only GNU mirror in India.
Domain Name System (DNS) can be an effective tool to block access to certain domains in an enterprise setting. This can also help prevent intended or unintended access to known malicious domains.