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    Recursive DNS server – an overview. DNS
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Tag: DNS records

What is an SPF record?

Posted on April 13, 2021December 7, 2022 By Mario No Comments on What is an SPF record?
What is an SPF record?

Emails from your company are very important and delicate stuff. They are part of your image, the trustability clients have on you, and therefore, an attractive tool for criminals to get profit through phishing and other illegal activities. Suspicious use of them can be painful for a business and a reason to be banned. 

SPF means Sender Policy Framework. This DNS record is in itself a system that validates legitimate emails. SPF record recognizes the mail servers allowed to send emails in your company’s name (domain). It enhances the trustability of your email server while preventing domain spoofing.

How to start managing SPF records for your domain name?

Read More “What is an SPF record?” »

DNS records

A record, the king of the DNS records

Posted on March 2, 2021August 26, 2021 By Mario No Comments on A record, the king of the DNS records
A record, the king of the DNS records

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?

Read More “A record, the king of the DNS records” »

DNS, DNS records

What is a PTR record, and do I need to create one?

Posted on February 17, 2021August 26, 2021 By Mario No Comments on What is a PTR record, and do I need to create one?
What is a PTR record, and do I need to create one?

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. 

How to check PTR records?

What’s inside a PTR record?

Read More “What is a PTR record, and do I need to create one?” »

DNS, DNS records

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