Technologies
Brief History of WordPress 2003-2017 (Part 1)
WordPress is a modern content management system, but its foundations date back to 2001-2003. Today WordPress is used by millions of sites and is the most popular tool for blogging and website creation on the Web. We briefly tell the interesting story of WordPress.
Levels of a Domain Name in the DNS Index (What is a DNS?)
Domains are a combination of words separated by dots. Each word separated by a dot is a level (domain, label) in the DNS hierarchy.
PHP 7.2 Offers Modern Cryptography for More Secure Web Projects
The new PHP 7.2 comes with enhanced security thanks to the supported modern cryptography. Language improvements are even greater this time since 7.2 arrives with numerous enhancements of the existing features and functions.
WordPress 4.9 Comes with Major Customizer Improvements and Widget Updates
WordPress 4.9 has several great enhancements in widgets, customizer, code editing, and more. Gutenberg is expected in the next version of WordPress 5.0, when it will be the default content editor.
What is a DNS?
In the articles of the “What is DNS?” series you will find answers to questions such as: why and how the domain name is defined, what is the difference between DNS servers and DNS records, why there is a propagation period after updating DNS information, and so on.
DNS Cache and TTL for DNS Records (What is а DNS?)
The time set in the DNS record TTL tells the DNS caching server for what period the record is considered up-to-date and can be stored in the cache. Typically, a TTL is set between 2 and 48 hours, and therefore, after changing the DNS information, a global refresh period of 2 to 48 hours is given.
DNS Lookup for the DNS Record domain.name=IP (What is a DNS?)
Once the DNS resolver receives a DNS client request for the IP address of a domain, it initiates DNS check by sending a DNS request to one of the Root DNS servers.
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