how to find out what dns server is used

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From the DNS base to centos6.5, "playing" builds a support for forward and reverse resolution"

1. What is DNS? (Domain Name System) domain name system. In fact, the functions implemented by DNS are very simple and effective, so that users do not need to remember the IP addresses that frequently access the server, you can directly access the

Investigation Report on DNS Pollution Prevention Solution

What should I do if my website is hijacked? Whether the domain name is walled. How to detect DNS pollution. Website hijacking Detection Website opening speed detection. Checks whether a website is hacked, hacked, changed its title, or hacked.   I

DNS attack principle and Prevention

With the gradual popularization of networks, network security has become the focus of the INTERNET. It is related to the further development and popularization of the INTERNET, and even to the survival of the INTERNET. Fortunately, our INTERNET

Web page Cannot find a solution to a server or DNS error

Open a Web page with a "No server or DNS error" problem I'm sure you've all met, can be on the QQ, Thunder download, and directly enter the IP address can be successfully boarded, but could not open the Web page (IE, Ttravel and the World Window 3.0)

Linux DNS Server installation, configuration, and maintenance

Each IP address can have a host name that consists of one or more strings separated by a decimal point. With the hostname, do not memorize each IP device IP address, just remember the relative intuitive meaningful host name on the line. This is the

The working principle and analysis of DNS

first, what is DNS. DNS (domain Name System) is the abbreviation for the name systems, a computer and network service naming system that is organized into a domain hierarchy that is used by TCP/IP networks and provides services for converting host

Linux-dns basic knowledge and simple configuration of BIND-3 (Master-slave DNS server and forwarding)

RNDC Related knowledge:1. What is RNDC:Remote Name Domain controllerRNDC communicates with the name server via a TCP connection and sends a digitally signed command. In the current version of RNDC and named, the only supported authentication

Solution to the failure to find the server or DNS error on the webpage

1. Use nslookup to determine whether a DNS resolution fault is true: (This step is to confirm whether a DNS error is caused ), to fully determine whether a DNS resolution fault exists, you must use the NSLOOKUP provided by the system.1. Choose Start>

The beginning, end, and analysis of DNS pollution nationwide in January 21, 2014

The beginning, end, and analysis of DNS pollution nationwide in January 21, 2014 Ovear was debugging a new server at around on June 30, January 21, and it was found that it suddenly failed .. Ping the following command and find that all Ovear

The beginning, end, and analysis of DNS pollution nationwide in January 21, 2014

Ovear was debugging a new server at around on June 30, January 21, and it was found that it suddenly failed .. Ping the following command and find that all Ovear domain names point to the IP Address [65.49.2.178. The first reaction of Ovear is that

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