How Many DNS Servers Should I Have?

At a minimum, you’ll need two DNS servers for each Internet domain you have.

You can have more than two for a domain but usually three is tops unless you have multiple server farms where you would want to distribute the DNS lookup load.

It’s a good idea to have at least one of your DNS servers at a separate location.

Why do I have 2 DNS servers?

The DNS requires that all zones be redundantly supported by more than one name server. Designated secondary servers can acquire zones and check for updates from the primary server using the zone transfer protocol of the DNS. The backup DNS servers (one or more) will be slaves to your primary DNS server.

How many DNS servers are there?

13

What DNS servers should I use?

Public DNS Servers

Personally, I prefer OpenDNS (208.67. 220.220 and 208.67. 222.222) and Google Public DNS (8.8. 8.8 and 8.8.

Are DNS servers safe?

DNS servers translate human-friendly domain names to machine-friendly IP addresses. You’re probably using a DNS server supplied by your ISP, one whose quality is unknown. Switching to a third-party DNS service can both speed your internet activity and protect against tricky DNS-based attacks.

How many name servers should be visited?

At a minimum, you’ll need two DNS servers for each Internet domain you have. You can have more than two for a domain but usually three is tops unless you have multiple server farms where you would want to distribute the DNS lookup load.

What is default gateway IP?

Ad. In the networking world, a default gateway is an IP address that traffic gets sent to when it’s bound for a destination outside the current network. On most home and small business networks—where you have a single router and several connected devices—the router’s private IP address is the default gateway.

What DNS 8888?

8.8. 8.8 is the primary DNS server for Google DNS. Google DNS is a public DNS service that has been launched by Google that has been set up to make the Internet and the DNS system faster, safer, secure, and more reliable for all internet users. 8.8 is for, check out the Google Public DNS page.

Who maintains the DNS?

The Domain Name System is maintained by a distributed database system, which uses the client–server model. The nodes of this database are the name servers. Each domain has at least one authoritative DNS server that publishes information about that domain and the name servers of any domains subordinate to it.

Is .com a top level domain?

A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet. The top-level domain names are installed in the root zone of the name space. For example, in the domain name www.example.com, the top-level domain is com.

Does changing your DNS speed up Internet?

Changing your DNS servers can speed up the amount of time it takes to resolve a domain name, but it’s not going to speed up your overall internet connection. For example, you will not see an improvement in your average download speeds for streaming content or downloading large files.

Now, it is true that your ISP might interfere with your Smart DNS usage if they use a Transparent DNS Proxy, but that doesn’t make the service illegal. A Smart DNS might even be legal in countries with oppressive governments that ban access to certain online content.

How do I secure my DNS?

Here are some of the most effective ways to lock down DNS servers.

  • Use DNS forwarders.
  • Use caching-only DNS servers.
  • Use DNS advertisers.
  • Use DNS resolvers.
  • Protect DNS from cache pollution.
  • Enable DDNS for secure connections only.
  • Disable zone transfers.
  • Use firewalls to control DNS access.