CNAME Record

CNAME Record: Explanation of the DNS Record Type

The Domain Name System and name resolution enable hassle-free surfing for users on the World Wide Web. Here, the DNS has recourse to several types of resource records. One of these is CNAME. This allows different domains to be linked together with one IP address. But how do CNAME records work and how can you check the records?

PTR Record

PTR record: How does the DNS record work?

PTR records turn the DNS on its head: Instead of getting from a domain name to the corresponding IP address – as is normally the case – with reverse DNS the opposite occurs. Which domains belong to an IP address? You can acquire this information using PTR records, which are a special type of DNS record. How do the DNS records need to be structured for this?

SOA Record

SOA Records: The Basis of Every Zone File

The Domain Name System enables the use of domain names for surfing and is based on zone files. These in turn are made up of different records. The first DNS entry you encounter in such a data file is always the SOA record. This determines authority within the zone. We explain how the records are designed and how you can perform an SAO record check.

A Record

A Record: Explanation & Example

The Domain Name System makes it easy for every user to navigate the internet. One of its most important components are A records, which link a domain name to an individual IP address. Only a line of text is needed. But what does this kind of record look like, and how can you perform an A record check?

Encrypted data transfer with WinSCP

Get a more secure data transfer with WinSCP

Are you still transferring your data online over an unencrypted connection via FTP (File Transfer Protocol)? WinSCP offers a comfortable and secure alternative to the current FTP client programs for the operating system, Windows. The encrypted network connection is based on the implementation of Secure Shell (SHH) and enables a fast data transfer via SCP (Secure Copy) and the flexible remote...

ERR_NAME_NOT_RESOLVED Error

“ERR_NAME_NOT_RESOLVED”: how to fix this DNS error in the Google Chrome browser

Chrome has recently become the most widely used browser in the world. However, this Google application is just as helpless as its competitors Firefox, Opera and Safari when it comes to technical problems on the server or client side. For example, if the domain name cannot be resolved by the DNS, Chrome will simply display the error message “ERR_NAME_NOT_RESOLVED”. In the following article, you...

Graph database

Graph databases explained

There are plenty of models for processing and storing large quantities of data. However, conventional databases with their rigid tabular structures quickly reach their limits when modeling complex relationships. So-called ‘graph databases’ have proven themselves to be particularly efficient for dealing with intensely interconnected data. But what exactly can they do?

PHP 5.6 Support

PHP 5.6: Support stops at the end of 2018

Security support for PHP 5.6 ceases at the end of the year. Although developers had already postponed the end date by a year, many website operators still seem to be unprepared. A large number of websites still run on PHP 5.6. From January onwards, these websites will be at risk. However, many are dreading the update. How can you protect your website?

DNS Records

DNS Records: How Do DNS Records Work?

Without the Domain Name System, the internet as we know it today would be inconceivable. The system for name resolution itself, is based on DNS records. In these simply structured records in normal text files, a name is stored for each IP address. However, DNS records can do more than this. Also known as resource records, various types of them exist.

Error 405 Method Not Allowed: Explanation and solutions

HTTP Error “405 Method Not Allowed”: How to solve the problem

HTTP is indispensable as a mediator between the browser and web server: Both communicate with each other using the transmission protocol on the application layer by sending various types of messages. With an HTTP request, for example, the browser can request a resource or return its own data to the server. If one of these HTTP methods doesn’t work, error 405 (Method Not Allowed) occurs. But what...


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