Why are A records and PTR records so important?

A PTR record, or pointer record, enables someone to perform a reverse DNS lookup. This allows them to determine your domain name based on your IP address. Because generic domain names without a PTR are often associated with spammers, incoming mail servers identify email from hosts without PTR records as spam.

Why would you use a DNS?

Just like a phone directory matches human names with phone numbers, the DNS links domain names to IP addresses of websites. In a nutshell, the DNS locates the IP address of a domain name in order to display the website to the user requesting it.

Does DNS change your IP address?

Changing to using a different DNS provider will not change your IP address. It is possible that if your IP has changed recently – some DNS servers have updated and know your new IP, but others haven’t and don’t – this process of “propogation” can take quite some time in some cases.

Is it safe to change DNS?

It’s safe to change your DNS, as long as you’re changing it to trusted DNS servers. For example, Google’s Public DNS (8.8. 8.8 and 8.8. 4.4) or CloudFlare’s (1.1.

Is changing DNS legal?

There are no legal issues w.r.t. which DNS servers you wish to use. Just ensure that your DNS server is highly available, fault tolerant, geographically distributed (so that your requests are served by the closest DNS name server for a better user experience etc.).

What is difference between DNS and IP address?

An IP address is an address assigned to any computer (including servers) to identify it on a given network. A DNS address is a Domain Name Service which is used to convert alphabetic references into a server’s IP address generally for hosting services.

How do I find my DNS IP address?

Open the “Command Prompt” and type “ipconfig /all”. Find the IP address of the DNS and ping it. If you were able to reach the DNS server through a ping, then that means that the server is alive.

Does IP address change with WiFi?

For example, if you’re browsing on your home Wi-Fi connection on your smartphone, you can turn the Wi-Fi setting off and use mobile data. This will change the IP address because a different one is assigned for each network connection.