We can also create subdomains

[parvej45]

How does work? Every time we enter a website address in the browser, works in the background, translating the friendly address into an IP address (e.g. An IP address is a unique number that identifies each device connected to the Internet. Most of us have difficulty remembering strings of numbers, so is necessary to translate names that we understand into strings of numbers that a machine can understand. records When we talk about , we often hear about records. These are entries in the database that inform how a given domain or subdomain should be translated. The most popular records are A indicates the IP address for the domain.

Indicates the IP address for the domain. CNAME this is an alias, i.e. another name for the domain. MX indicates the mail server for a given domain. NS indicates the name servers responsible for a given domain. TXT used to store text wedding photo editing service information, e.g. verification of domain ownership. Understanding the basics of how works is the key to using the Internet effectively, for both individual users and businesses. Thanks to , the Internet becomes more accessible and understandable. hierarchy The Internet domain structure is hierarchical. At the top there are top-level domains (TLDs) such as .com, .org and .pl. Below the second-level domain.



lookup lookup is the process in which a web client (e.g. a web browser) queries a server. In this way, he wants to obtain an IP address corresponding to the domain name, such as example.pl, in order to be able to connect to the appropriate website or service on the Internet. security Security in the system is a key aspect for the correct and safe functioning of the Internet. , as one of the basic components of network infrastructure, is exposed to many threats that may have serious consequences not only for individual websites, but also for entire corporate networks and individual users. One of the most serious problems is spoofing attacks.