How TCP connection works
This post describes how to see TCP connection establishment and termination as packets using tcpdump on linux. Preparing Install the…
6 Useful Tcp Port Numbers in Linux
In networking, a port is a virtual place on a machine that is open to connections from other machines. Every…
3 Ways to Check DNS Propagation time
DNS propagation is the time for DNS record updates to take effect on all servers. DNS Changes are not instant…
CrazyGames – An Amazing Free Online Game Website
CrazyGames is a free online games website with more than 10 million active users monthly. The company was founded in…
2 Ways to Perform Reverse DNS lookups in Linux
Reverse DNS lookup, also known as rDNS, is used to determine or resolve the IP address associated with the domain…
2 ways to check DNS PTR Record in Linux
DNS PRT record is short for pointer record. It is one of the common Domain Name System (DNS) records. It…
5 Useful Tips to Check DNS MX Record in Linux
DNS MX record is short for mail exchange. It is used to direct email to a mail server. The MX…
Check DNS A Record with Examples
DNS A record maps a domain name to the IP address (Version 4) of the server hosting the domain. The…
Best and Fastest DNS Servers in 2023
A DNS, or Domain Name Server, is what helps translate human-friendly URLs into computer-friendly IP addresses. This is what enables…
10 Useful Examples of Openssl S_client Command
The OpenSSL s_client command is a helpful test client for troubleshooting remote SSL or TLS connections. This post covers various…