One can get a free DNS service by their local internet service provider. Some providers, such as Xfinity, offers these services for free to their consumer if they buy into a specific plan.
"Having a free dns service provide you with an open domain name. This domain name service is not specifically tied to an internet service provider, As a result of this open access internet speeds can be faster."
You can find out this information easily at sites which offer this service by looking up the DNS records of a domain name. You can also find this service on the official home of domain names, Nominet.
The most reliable DNS would be any DNS system that built as a distributed or has a large, worldwide fail-over system built in. OpenDNS provides such service, free of charge.
Google Public DNS (Domain Name System) was announced on December 3rd 2009. The service is free and available in every country. According to Google in 2013, the DNS is the biggest in the world.
DNS
If you are looking for free DNS hosting you can try Zonomi, as this is what they offer. They are a free managed DNS hosting server. It is ranked well with most consumers.
It is a service.
OpenDNS is currently one of the most popular solutions. It's free, and exists independently of specific service providers and the conflicted interets which they'd bring.
Using reliable DNS servers is crucial to online success, for a regular website owner the most important of them are the name servers which are responsible for the online solution and with a static DNS you can rely on it instead of a random DNS server.
The acronym "DNS SRV" stands for Domain Name System Service Record. "DNS" stands for "Domain Name System", while the acronym "SRV" stands for "Service Record".
Domain Naming Service (DNS) Database Source Name (DSN)