What are Level 3 public DNS servers?
Level3: This is a third-party DNS Service that is free and open to the public. Its infrastructure, though great and reliable, is not as huge (big) as Google’s. Its primary DNS Server’s IP address is 209.244. 0.3, and its secondary Server’s IP address is 209.244.
Can I have 3 DNS servers?
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.
What is the fastest DNS server 2020?
Cloudflare
1.1. Cloudflare has focused much more on the fundamentals. These start with performance, and independent testing from sites like DNSPerf shows Cloudflare is the fastest public DNS service around.
Why do I have 4 DNS servers?
8 Answers. The major point in having a secondary DNS server is as backup in the event the primary DNS server handling your domain goes down. A secondary DNS server is always up, and ready to serve. It can help balance the load on the network as there are now more than one authoritative place to get your information.
Can you have multiple DNS servers?
A Multi-DNS architecture is one that utilizes authoritative DNS nameservers from two or more providers. Most, if not all DNS service providers, use multiple nameservers for high availability and redundancy, allowing them to mitigate most issues without clients even being aware.
What is preferred DNS server?
The preferred DNS is a specified primary choice to handle Internet protocol mapping. If the preferred choice times out after a time limit defined by an operating system, it will then attempt to try the alternate DNS. Servers are subject to the same connectivity problems a home user may experience.
Can I use 2 different DNS?
DNS servers can be primary for one DNS zone and secondary for another DNS zone. Secondary DNS servers are not mandatory—the DNS system can work even if only a primary server is available.