What is the purpose of using split-brain DNS?

Split-brain DNS ensures that when users at the office on the local network type in www.mydomain.com, the DNS record returned contains the internal private IP address of the website you’ve set up, but when users away from the office’s local network try to access www.mydomain.com, the DNS record returned contains the …

How do I create a split DNS?

Split DNS – Option 1 (Handy for a single (or few) URLS

  1. On the DNS Server > Windows Key +R > dnsmgmt. msc.
  2. Right click ‘Forward Lookup Zone’ > New Zone.
  3. Next > Primary Zone > Next > To all DNS servers on domain controllers in this domain > Next > Type in the Zone name > Next > Allow only secure… > Next > Finish.

What is split DNS configuration?

Split Domain Name System (Split DNS) is a configuration in which two DNS servers (sub-domains) are created for the same domain, one for the internal network and the other for the external, as a means to tighten the security.

What is whole brain DNS?

Whole Brain DNS The whole brain approach is when different domain names are used for the internal and external network. A common approach is to use . local for internal networks and .com for external networks. Using this approach it is quite easy to understand and set up for the administrator.

How does DNS conditional forwarding work?

Conditional forwarders are DNS servers that only forward queries for specific domain names. Instead of forwarding all queries it cannot resolve locally to a forwarder, a conditional forwarder is configured to forward name queries to specific forwarders based on the domain name contained in the query.

Do I need split DNS?

A split DNS infrastructure is something you should create whenever you use the same domain name to host resources for both internal and external network clients.

What is DNS poisoning?

Domain Name Server (DNS) spoofing (a.k.a. DNS cache poisoning) is an attack in which altered DNS records are used to redirect online traffic to a fraudulent website that resembles its intended destination.

What does the split view DNS option in Route 53 allow us to do?

Short description. You can use Route 53 to configure split-view DNS, also known as split-horizon DNS. This feature can be used when you want to maintain internal and external versions of the same website or application.

What is difference between DNS forwarder and conditional forwarder?

With DNS forwarding, particular sets of DNS queries are forwarded to a designated server to resolve. They are forwarded according to the domain name in the query. Conditional forwarders are DNS servers that only forward queries for a specific domain name.

Should I use DNS forwarders?

I recommend using your ISP DNS servers as forwarders. The main reason is related to performance. By using your ISP’s DNS servers as forwarders you will have a much lower number of hops to reach your ISP DNS server when compared to the number of hops needed to access the root hints.