how to ping dns server

Linux can ping IP but cannot ping host domain name resolution reprinted December 25, 2013 10:24:27 13749.vi/etc/nsswitch.confhosts:files Dnsnetworks:files changed to: hos Ts:files DNS Winsnetworks:files if not the same, in the hosts: the original

I. Ping Introduction Ping is a command in windows, which is also available in UNIX and Linux. Ping also belongs to a communication protocol and is part of the TCP/IP protocol. The ping command can be used to check whether the network is connected,

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

Some netizen message asks a question: Why installs the operating system to be unable to surf the net. My answer is: the normal Internet access depends on three: 1. There is no problem with the NIC and its driver; 2. There is no problem with the

"The main content of this blog post" Introduction to bind server (including Introduction to Client Tools Dig) Configuring forward parsing DNS servers Configure Reverse resolution DNS server Configuring a secondary DNS server and

Overview: What is DNS spoofing? DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use a browser to search for some information on Google, you can enter the

DNS is a very important basic service. Many applications are based on DNS services, such as the most commonly used HTTP browser. Many of my friends said they could not access the internet in the Forum. In fact, they could not resolve the FQDN name,

Note on successful DNS configuration-Linux Enterprise Application-Linux server application information. See the following for details. > 1) create a domain name www.yaoshuyin123.com 2) IP address of the Local Domain Name Server: 192.168.0.101 3)

  DNS spoofing technology principle and Security Protection Technology   Overview: What is DNS spoofing?DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use your

Recently, my colleague reported that during the NSLookup test on the Intranet, I found that when I used the Intranet DNS server 192.168.1.1 for resolution, the DNS server responded very quickly and did not Any errors. However, when the DMZ server 51.