Tag: dns

What Is DNS Server Or Protocol Port Number?

Posted on 20/12/201817/12/2018 by İsmail Baydan

Domain Name System aka DNS is used to match domain names to the IP addresses. DNS is provided over intranet and internet servers with different port numbers. TCP or UDP

How To Use Google Public DNS Servers?

Posted on 09/11/201810/11/2018 by İsmail Baydan

Google is a huge company which provides paid and free services. It mainly operates in IT and internet area. Internet uses DNS in order to solve domain names into IP

How To Flush DNS and Reset TCP/IP with ipconfig /flushdns Command In Windows

Posted on 24/10/201824/10/2018 by İsmail Baydan

DNS is used to translate between human readable name like poftut.com and IP address like 45.79.1333.118 . DNS can use both UDP and TCP protocols but generally UDP protocol is

How To Change Linux Hostname In Ubuntu, Debian, Mint, Kali, CentOS, RedHat?

Posted on 23/09/201823/09/2018 by İsmail Baydan

Hostname is used to name the systems. Normally the computer networks work with IP addresses in order to identify and communicate. But hostname provides human friendly way to name, identify,

What Is SOA (Start Of Authority) Record and How To List?

Posted on 11/08/201811/08/2018 by İsmail Baydan

wWDNS system provides different types of information about the domains. SOA or Start Of Authority is one type of information which provides domain and domain server related information. In this

What Is /etc/hosts File and How To Create and Edit It?

Posted on 21/06/2018 by İsmail Baydan

New comers to the Linux generally asks for what is the purpose and usage of the /etc/hosts file. /etc directory holds system and service related configuration. hosts file is used to store

How to Find Detailed Domain Information with whois Command?

Posted on 17/05/2018 by İsmail Baydan

whois very popular and useful tool used to list and find domain information. We generally know that domain and sub domains are resolved to the IP address and our browser

How To Solve “Dns Server not responding”

Posted on 20/08/2017 by İsmail Baydan

DNS is the one of the most importnt protocol for internet and network usage. If DNS woluldn’t be exist you will have to type https://45.79.133.118 to your browser in order to

How To Fix Dns Lookup Failed

Posted on 09/08/2017 by İsmail Baydan

Dns is the heart of the internet. Without DNS we can not surf over websites easily. But some times Dns may not work properly. We should troubleshot the problem and

Nmap Host Discovery

Posted on 01/08/201702/08/2017 by İsmail Baydan

Before start any port, script or version scan hosts should be discovered. Only discovered hosts will be scanned by port,service or version. List Scan List scan will do not send