In last few days, I have been pushing discussion on APNIC & NANOG mailing lists about poor DNS infrastructure in India. Thought to put a quick blog post on the issue. So what’s exactly wrong? To understand what’s wrong, let’s understand how DNS works at core level. DNS relies on a hierarchy model with . (dot) on top which is Root and TLD i.e Top Level Domains below Root, which further follow 2nd level domains which are popularly domain names we use.