Table of Contents
- 1 Should you use IPv6 DNS?
- 2 When you type a URL in a web browser how does a browser know the IP address and port number of the web server to contact and what to request from that server?
- 3 Why we need IPv6 addressing scheme?
- 4 What does IPv6 mean for OpenDNS?
- 5 How do I know if a domain is IPv6 compatible?
Should you use IPv6 DNS?
Using both IPv4 and IPv6 for your nameservers is strongly recommended and is a task that is on the critical path to IPv6 deployment. Whether an enterprise is using their own on-premises DNS servers or a cloud-based DNS service, organizations should be making their DNS infrastructure dual-protocol.
What’s the difference between IP and DNS?
What is the difference between IP and DNS? IP and DNS are both naming systems for addressing namespaces allocated for entities in a Network. While the IP addresses are the actual locations where the entities are located, DNS only gives the entity a Name, based on some standard rules.
When you type a URL in a web browser how does a browser know the IP address and port number of the web server to contact and what to request from that server?
The browser displays the Hypertext Markup Language (HTML) and sends out additional HTTP requests for the CSS, Javascript, and other plugins.
- Step 1 — The URL is typed into the web browser.
- Step 2 — The Browser Performs a DNS Record Lookup for the IP address.
- Step 3 — A TCP Connection is Opened.
How does your computer know what DNS server to use?
Your computer can locate a DNS server because it’s told the address of one (or preferably more) DNS servers in it’s networking configuration. That info is either obtained dynamically (from another protocol called DHCP) or it’s configured statically for a specific network interface.
Why we need IPv6 addressing scheme?
The primary function of IPv6 is to allow for more unique TCP/IP address identifiers to be created, now that we’ve run out of the 4.3 billion created with IPv4. This is one of the main reasons why IPv6 is such an important innovation for the Internet of Things (IoT).
What is the IPv6 IP address?
When looking at a standard IPv4 address, one can easily see that it has a finite number of combinations for unique IP addresses and that at some point, they will be over. This is why the IPv6 IP address was created. The IPv6 address is expected to launch worldwide in late 2010 or 2011, when the IPv4 addresses will reach their limit.
What does IPv6 mean for OpenDNS?
OpenDNS now supports IPv6 addresses — meaning that, by using the OpenDNS Sandbox, you’ll be able to resolve your DNS using IPv6 DNS servers. Why IPv6? IPv6 supports a far larger number of addresses than IPv4, which is why the change is taking place now — since IPv4 was implemented in 1981, the Internet has grown dramatically, and there
Why is IPv6 not widely used in the world?
The key reason IPv6 is not yet in wide deployment is that the core protocol does not have a simple way for systems that only have IPv6 addresses to communicate with systems that only have IPv4 addresses. An IPv6 address is a 128-bit number, normally expressed as eight colon-separated groups of four hexadecimal nibbles (half-bytes).
How do I know if a domain is IPv6 compatible?
You can also verify if a domain is using IPv6 on their network by IPv6 compatibility check. IPv6 addresses are 128-bit long and have both numbers and letters. IPv4 addresses have four numbers separated by dots. IPv6 addresses have hexadecimal numbers separated with a colon (:).