Question: Why Do I Have 4 DNS Servers?

Should I use public DNS?

It puts significant stress on the existing DNS structure and over time has slowed down browsing speeds significantly.

This is why people often opt to use a public DNS, like Google.

The first advantage to using Google Public DNS is speed, reliability and performance..

Why do I have multiple DNS servers?

You want more than one of each ideally. DNS is a replicated system, with DHCP how much config you have to do depends on your version of Windows but you can have multiple DHCP servers – it’s called “split scope”. … So both servers are aware of each other and can provide addresses to clients across the full IP range.

How many DNS servers should I have?

two DNS serversAt 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 3 DNS servers?

1. Faster web browsing speed. The DNS servers offered by third party companies such as Cloudflare, Google, OpenDNS, or AdGuard can be faster than those maintained by your local internet service provider. If that’s the case, using third-party DNS servers can mean a faster web browsing experience.

Can you have multiple primary DNS servers?

You can have as many Primary DNS zones as you wish in your environment. again, one server can host multiple zones. Or if you wish you can have multiple DNS servers each hosting a primary zone.

Can I have 2 DNS A records?

DNS is incredibly flexible. One of the things that it allows you to do is enable load balancing and/or redundancy by creating multiple DNS records with the same name and record type. For example, you could create two A records for your company’s domain name to perform round robin load balancing between two web servers.

Which DNS server is best?

Some of the most trustworthy, high-performance DNS public resolvers and their IPv4 DNS addresses include:Cisco OpenDNS: 208.67. 222.222 and 208.67. 220.220;Cloudflare 1.1. 1.1: 1.1. 1.1 and 1.0. 0.1;Google Public DNS: 8.8. 8.8 and 8.8. 4.4; and.Quad9: 9.9. 9.9 and 149.112. 112.112.

Do you need a secondary DNS?

Secondary DNS servers are not mandatory—the DNS system can work even if only a primary server is available. But it is standard, and often required by domain registrars, to have at least one secondary server.

Can I mix DNS servers?

Most DNS services offer resolvers at two IP address – for instance, Google DNS is available at 8.8. 8.8 and 8.8. … In fact, you may also mix servers – like you can use Google Public DNS as the Preferred DNS server and OpenDNS as your Alternate DNS server.

What should I set my DNS to?

Public DNS Servers Your home router is likely set by default to use your ISP’s DNS servers, which may or may not be very reliable. There are a number of third-party DNS servers available as well. Personally, I prefer OpenDNS (208.67. 220.220 and 208.67.

Should I use a DNS server?

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 can I add more than 2 DNS servers?

On Internet Protocol Version 4(TCP/IPv4) Properties page click on Advanced button. In Advance TCP/IP Settings page click on DNS tab and click on Add button. On TCP/IP DNS Server box type the address of additional DNS server and click on Add button.