How to join IT Army of Ukraine?
The IT Army of Ukraine is a community of IT specialists from all over the world who united after the start of the full-scale invasion of Ukraine by Russia. We…
What is DNS Cache Poisoning? | DNS Spoofing
Attackers can poison a DNS cache by tricking DNS resolvers into caching false information, resulting in the resolver sending the wrong IP address to clients, and users attempting to navigate…
What is a DNS CNAME record?
The DNS CNAME record works as an alias for domain names that share a single IP address. A “canonical name” (CNAME) record points from an alias domain to a “canonical”…
What is DNS? | How DNS works
DNS lets users connect to websites using domain names instead of IP addresses. Learn more about how DNS works. What is DNS? The Domain Name System (DNS) is the phonebook…
DNS server types
Four different types of DNS servers have to work in harmony to deliver a single webpage. What are the different types of DNS servers? All DNS servers fall into four…
What is a DNS flood? | DNS flood DDoS attack
A DNS flood is a DDoS attack that aims to flood and overwhelm a target DNS server. What is a DNS Flood? Domain Name System (DNS) servers are the “phonebooks”…
What is a domain name registrar?
A domain name registrar is a business that handles the reservation of domain names and the assignment of IP addresses for those domain names. Domain names are alphanumeric aliases used…
What is a domain name? | Domain name vs. URL
A domain name is a unique, easy-to-remember address used to access websites such as ‘google.com’, and ‘facebook.com’. Users can connect to websites using domain names thanks to the DNS system.…
What is an IP address, and why does it matter?
‘IP’ stands for Internet Protocol, the set of rules that allows devices to communicate over the Internet. With billions of people accessing the Internet daily, unique identifiers are necessary to…