6 articles DNS

Covering connectivity between your domain and server.

How does DNS work?

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Overview DNS maps a hostname (comprised of a domain name + optional subdomain, e.g. example.com or www.example.com) to an addressable machine (by IP address) somewhere on the Internet. DNS works by issuing multiple queries, recursively, until the machine address is resolved. Process Initial query Of a most trivial example, let’s assume a browser accesses http://example.com for…

Previewing your domain

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Overview Often times when switching hosting companies we would like to see what your domain name looks like before finalizing DNS changes by changing nameservers. Overriding DNS is done through a HOSTS file. Any entry in a HOSTS file overrides any other DNS setting that is resolved by a nameserver. Making Adjustments A HOSTS file location depends…

How long does DNS propagation take?

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DNS propagation may take anywhere from 15 minutes to 24 hours. In rare circumstances, propagation may take longer. Propagation begins once the nameserver settings are changed through the domain registrar, which is the company through which you purchased your domain name. Explanation DNS maps a hostname, e.g. hostineer.com to an IP address, e.g. 64.22.68.1. Mapping…