May 17, 2022

DNS CAA record meaning

The DNS records are the instructions that clients and servers are searching for a particular domain. The common ones are the A records for a domain name to IP address resolution, the CNAME for redirecting subdomain to the domain name, MX for incoming mail servers, etc. But the DNS CAA record is not so well-known, so now we will explain it to you.

What is a DNS CAA record?

The DNS CAA record (Certification Authority Authorization) is a record that the DNS administrator of a domain can add to clarify which Certificate Authorities (CAs) can issue SSL or TLS certificates for the particular domain. The CA are external organizations that you, as a domain owner, can choose to issue cryptographic certificates like SSL or TLS for your domain name.

The cryptographic certificate is used to validate the domain owner and to encrypt the communication with that domain. That way, it protects sensitive data.

With the CAA, the domain owner will have improved control over the process of issuing certificates. He or she can clearly state who is permitted to issue certificates and lower the number of miss-issued certificated for that domain. The CAA record can be used for the whole domain, or chosen subdomains only, depending on how you set it up.

One common requirement for using CAA records is to first enable DNSSEC. That is required for better security and trust from the side of the CA.

How to add a CAA record?

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CDN (Content Delivery Network) explained

Perhaps if you hear CDN, you can get confused, or you totally ignore what it is about. But what if we mention Amazon, Netflix, Facebook, or Youtube?

Well, CDN is currently as popular as such international ventures. Just you don’t know it because it works in the backstage. Without it, not only those companies but many around the world just could not deliver their content to all their users.

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How to protect yourself from a scam?

The Internet is deeply ingrained in our lives. And how to deny how nice, simple and comfortable it makes our daily tasks. 

The big issue is that not only do you make businesses online, lots of criminals have also chosen the online land to settle on and get money through scams.

Scams have different disguises, and there are not only individuals but groups operating a wide variety of frauds. Their target? Everybody. Some look for big fishes. Others don’t mind cheating or extorting small businesses or regular users.

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What is ICANN?

ICANN is short of Internet Corporation for Assigned Names and Numbers. It is a non-profit organization that manages and maintains different databases related to namespaces and number spaces on the Internet.

In really short: ICANN coordinates the use of domain names and IP addresses so that the Internet, as we know it, can function without conflicts. Thanks to it, you can’t have two people who have the same domain name or two computers with the same IP address.

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What is IPv6 used for?

So, you want to know when and why should you use IPv6? You came to the right place. Let’s see why is better and for what to use it.

What is IPv6?

IPv6 is the 6th version of the IP, the internet protocol. The IPs are a combination of rules the device must follow in order to send and receive data from a host to the destination. We need to have identifiable hosts with their locations – IP addresses and a route for the communication. 

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