Dynamic DNS (DDNS) explained 

What is Dynamic DNS (DDNS)?

The DDNS abbreviation stands for Dynamic Domain Name System. While the typical DNS can link domain names to IP addresses via A or AAAA DNS records, the Dynamic DNS can automatically refresh and change the host’s IP address, so even if its IP address changes, the clients can reach it.

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How to make my website more secure

Threats on the Internet are many, and they come with different disguises. Dealing with such risks daily is part of the online adventure for websites’ owners. Everybody, big, medium, and small businesses, can be targeted. The best practice is not to underestimate the importance of securing your business website.

Fortunately, there are different actions you can implement to make your defenses more robust. Let’s check some.

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How does VPN work?

Security online is a big worry for everybody. Enhancing it through different tools and tech resources is a constant task. In this context, VPN is an attractive and efficient solution, businesses and common users should get involved with. 

What is VPN?

VPN is Virtual Private Network, and it is a protocol that allows you to turn a public connection into a private network. VPN is a helpful ally to strengthen security by protecting data and making your Internet connection safer.

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SPF record explained 

What is SPF (Sender Policy Framework)?

There are various ways that cyber-criminals can forge emails. They can modify the “Mail from” and make the emails look like they are coming from a specific domain when they are not. The SPF. Sender policy framework protocol is here to put strict rules. With SPF, the domain administrator can strictly limit who can send emails from the domain. The other part, the receiver, has a mechanism to check the authorization and take the necessary measures.

The outcome of the SPF evaluation can be:

  • None – No SPF record was found, or the record was not properly configured.
  • Neutral – The DNS admin is not stating that a particular IP address is authorized.
  • Pass – The client is authorized to inject emails with the identity provided.
  • Fail – Not authorized to use the domain.
  • Softfail – Probably not authorized. There is a stronger “Fail” missing.
  • Temperror – Currently, there is an error, most probably related to the DNS. Later, if retry again, the problem could be gone.
  • Permerror – Permanent error. The DNS admin must fix an error because otherwise, the SPF record could not be understood.

Why do you need a DNS SPF record?

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