Quick Answer: How Many Nameservers Should I Have?

What happens if I change my nameservers?

Although it will be invisible to visitors, a change in nameservers will result in a change in the hosting server for the website.

The URL that visitors use to access the site may remain exactly the same; however, the website will be hosted on a different computer..

What are NS records?

An NS record or (name server record) tells recursive name servers which name servers are authoritative for a zone. Recursive name servers look at the NS records to work out who to ask next when resolving a name. … NS records help to ensure that all of the domains on your server are available at all times.

What happens when a domain has two different A records?

2 Answers. Yes you can. It is called round-robin DNS, and the browser just chooses one of them randomly. It is a well used method of getting cheap load balancing, but if one host goes down, users will still try to access it.

Do I need a secondary DNS server?

Secondary servers can pass a change request if they wish to update their local copy of the DNS records. 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.

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.

How long does the DNS process take?

24-48 hoursThe process can take 24-48 hours to complete in full. Because of propagation, not all visitors will be directed to your new name servers on your new hosting account; some visitors will continue to be directed to your old name servers on your old hosting account until propagation is complete.

Can I mix DNS servers?

Yes, you can mix different DNS service providers. However, consider that you need to have the same records and configuration synced between them. Otherwise, you might get unexpected results as different visitors resolve to different DNS configurations.

Can I have 2 A records with the same IP address?

You can do a lot with A records, including using multiple A records for the same domain in order to provide redundancy and fallbacks. Additionally, multiple names could point to the same address, in which case each would have its own A record pointing to that same IP address. The DNS A record is specified by RFC 1035.

What do nameservers do?

Nameservers play an essential role in directing traffic on the Internet by helping to connect your domain name with the IP address of your web server. To do this, they help web browsers and other services access your domain’s DNS records.

What should I put for alternate DNS server?

Use Alternate DNS Servers In Windows For Faster InternetSome Internet Service Providers don’t have the world’s greatest DNS servers, so you may want to use something like OpenDNS, or Google Public DNS, for better performance. … Next, click on the Network and Internet section.Once it loads, click on Network and Sharing Center.More items…•Jan 20, 2012

How do I choose the best DNS?

Just download DNS Benchmark, launch it (no installation required), select the “Nameservers” tab, and click “Run Benchmark”. It’ll benchmark the top 72 DNS servers. After it’s done, it will even offer to benchmark nearly 5000 publicly available DNS servers in the world and find the best 50 for your connection.

Why would you want to have multiple name servers?

Yes if you main server goes down you’re offline, but multiple name servers will protect you from one of those being unavailable. In some settings name servers also get quite busy and don’t answer quickly, so DNS clients may fail over to a secondary server just from load.

Can I have 2 DNS A records?

DNS can hold multiple records for the same domain name. DNS can return the list of IP addresses for the same domain name. When a web-browser requests a web-site, it will try these IP addresses one-by-one, until it gets a response.

Can an A record point to two IP addresses?

Yes you can have multiple IP’s for the same A record. There’s a few problems with this if used for redundancy purposes… DNS servers and DNS resolvers randomly choose the order of the list of IPs – even though you might configure it a certain way on your DNS Server hosting the zone, resolvers will flip it.

Can an A record point to another domain?

A CNAME record must always point to another domain name and never directly to an IP address. A CNAME record cannot co-exist with another record for the same name. It’s not possible to have both a CNAME and TXT record for www.example.com .

What should I put for DNS server?

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.

Can I use multiple nameservers?

The purpose of having more than one nameserver on a domain is redundancy, if there are multiple then each nameserver would be expected to contain the same records as its peers. … sub.example.com then the first set of name servers ( ns*.

Why do I have 2 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.