Marco Keul

Founder of hosttest

Hi, I'm the founder of hosttest. I come from the Ruhr area and started my own business at the age of 17. Back then, around the year 2000, I set up several online projects. During this time, I quickly realized how challenging it can be to filter out the right hosting provider from the masses. During my studies in 2006, I decided to develop a solution to this problem and founded hosttest. My aim was to provide a comprehensive overview of hosting offers in the DACH region. Fortunately, the initial, rather rudimentary student project developed into one of the largest comparison portals for hosting services. You can also find us at LinkedIn.

My articles

22Oct

Critical PHP security vulnerability PHP2Shell: What web hosting customers need to know now

Two critical PHP security vulnerabilities called PHP2Shell can allow remote code execution. We explain which PHP versions are protected, who is responsible for updates and what web hosting customers should check now.
Author: Marco
19Oct

UK Web Hosting Provider of the Year 2026: The Winners

Fasthosts takes first place ahead of IONOS UK and DreamHost in the first dedicated UK Web Hosting Provider of the Year ranking.
Author: Marco
09Oct

Web hosting for students and pupils

Reason enough for some web hosting providers to financially support the future creators of Germany and reduce the fees for web hosting products for students.
Author: Marco
08Oct

The MX Record - Resolution of Domains for Email

What does the MX Record do? Resolution of Domains for Email. We provide examples and clarify.
Author: Marco
08Oct

What is the A-Record entry of a domain in the nameserver

What is the A-Record entry of a domain in the nameserver? We explain it to you.
Author: Marco
08Oct

What is a TXT Record Entry? Examples & Explanation

We explain what a TXT Record Entry is with examples & explanation.
Author: Marco
08Oct

What is a CNAME record? We show examples & explain

The CNAME record simply explained. This is how you easily change it and add a new one.
Author: Marco
08Oct

What is the AUTH or transfer code for a domain?

We explain what the Auth Code is and what it is needed for when transferring a domain.
Author: Marco
08Oct

What is a DNS entry and what types are there?

We explain what a DNS entry is and which records you must pay attention to.
Author: Marco
08Oct

Set up domain redirects

Domain redirects are important for controlling visitor traffic to your own website. But how can they be set up on your own web hosting?
Author: Marco
08Oct

Country-specific or generic domain?

When choosing the right domain name for a web project, you have a variety of options to choose from. But which domain extension is best suited for your own project? Should you opt for country-specific or generic domains?
Author: Marco
08Oct

Security feature Domain Guard: Necessary or unnecessary?

Domain Guard is an additional security feature offered by some web hosts to protect domains from unauthorised access and tampering.
Author: Marco
08Oct

What is a Subdomain?

Subdomains play an important role in the field of web hosting and websites, as they allow for a hierarchical subdivision of a domain.
Author: Marco
08Oct

The .com vs .de Domain - what advantages do they offer in comparison?

The question of the right domain extension often arises with new web projects. We have examined the advantages and disadvantages.
Author: Marco
08Oct

What is a Nameserver and what does a DNS entry do?

To understand the domain system, it is also important to explain the functionality of Nameserver and DNS entry.
Author: Marco
08Oct

What role does the domain name play in SEO?

How to find the perfect domain name and the impact it has on SEO, we show in the following post.
Author: Marco
08Oct

What is a Top-Level Domain

The present-day Internet emerged from the military and scientific ARPA-Net, in which various institutions from both areas joined forces. Initially, individual computers within this
Author: Marco
08Oct

Is a multi-domain strategy useful & how should one proceed

What are the advantages of using multiple individual domains and what is the best approach?
Author: Marco
08Oct

Expired Domains - are they useful and how to find them?

What are Expired Domains and how are they used?
Author: Marco
08Oct

Possible uses for domains - what are they?

Domains can be used in various ways. What specific applications are available?
Author: Marco

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Marco Keul

My articles

Critical PHP security vulnerability PHP2Shell: What web hosting customers need to know now

UK Web Hosting Provider of the Year 2026: The Winners

Web hosting for students and pupils

The MX Record - Resolution of Domains for Email

What is the A-Record entry of a domain in the nameserver

What is a TXT Record Entry? Examples & Explanation

What is a CNAME record? We show examples & explain

What is the AUTH or transfer code for a domain?

What is a DNS entry and what types are there?

Set up domain redirects

Country-specific or generic domain?

Security feature Domain Guard: Necessary or unnecessary?

What is a Subdomain?

The .com vs .de Domain - what advantages do they offer in comparison?

What is a Nameserver and what does a DNS entry do?

What role does the domain name play in SEO?

What is a Top-Level Domain

Is a multi-domain strategy useful & how should one proceed

Expired Domains - are they useful and how to find them?

Possible uses for domains - what are they?