Sahil Dhiman

2 posts by Sahil Dhiman

Healthchecks based loadbalance and failover with DNS using PowerDNS

Jun 29, 2025

Sahil Dhiman

GNU/Linux Network Engineer

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.

Hopbox Public GNU software mirror

Jun 4, 2024

Sahil Dhiman

GNU/Linux Network Engineer

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.