The traditional DNS is not safe enough. This is why the security extension called DNSSEC was created. One of the elements that are part of the DNSSEC chain of trust is TLSA records. Let’s see what they do and how.
Domain name system (DNS) makes the Internet experience easier for everybody, visitors, and websites’ owners. But if you take a look at its “backstage”, it’s a complex show to run. Many different actors are involved. Hosting, domain names, registers, data, IP addresses, DNS records…
DNS records are some of those important components. They are simple and brief messages, instructions for DNS servers to execute specific tasks. The syntax and commands DNS records contain allow servers to know which IP address is associated with a specific domain name, where to direct a query, the way they (servers) should answer a query, the time they should keep it, etc.
What is an A record?
In the sea of DNS records, there are a few that you really must learn. The PTR record is one of them. If you want to know why it is so important, you came to the right place.
What is a PTR record?
PTR record is a type of DNS record, also known as pointer record, that serves the purpose of linking an IP address to a domain name. It is a prove, that this exact IP address that somebody is checking really is related to the domain name, and it is not a scam. The PTR record has the purpose of verifying different elements or services, like a mail server.
What’s inside a PTR record?
Either if you have a big e-shop or a personal blog, you need a DNS service to be reachable online. Basically, you have two clear choices on the market. To get a free DNS service or to pay a Premium DNS one.