what is primary dns server

Garbage station bloggers are still using the WIN7 system, recently through switches and routers are always not connected to the Internet, and other computers on the network can be networked, check found that the computer desktop in the lower right corner of the internet appears yellow exclamation point, after detection prompts "Windows can not communicate with the device or resource (primary DNS

What is DNS hijacking?DNS hijacking also known as domain name hijacking, refers to the use of certain means to obtain a domain name of the analytic control, modify the resolution of the domain name, resulting in access to the domain name from the original IP address to the modified designated IP, the result

What is DNS hijacking and DNS pollution? Http://blogread.cn/it/article/7758?f=weeklyDescriptionWe know that some network operators for some purposes, some of the DNS operation, resulting in the use of the ISP's normal Internet settings cannot obtain the correct IP address th

Configure a primary domain name server as follows① domain name is linux.net, network segment is 192.168.10.0/24, server IP is 192.168.10.10, host name is Dns.linux.net② servers to resol

DNS master server (Master): 192.168.127.147Slave server (slave): 192.168.127.1481. First install the DNS package on master and slave:2. Edit the DNS configuration file on master:Forward parsing and reverse parsing:3, CP the template under the/var/named/directory:-A parameter

prevent inconsistent data. Database at design time, the primary key plays a very important role.The primary key guarantees that the record is unique and the primary key domain is not empty, and the database management system automatically generates a unique index for the

In the Web experience, we often encounter this situation, that is, when calling Baidu union, Google alliance, and domain name files outside the domain name where the current webpage is located, the request latency is very serious. Is there a way to solve the serious latency of such requests?

222.222.222.222 to www.xxx.com, then we log in when the direct input domain name can be. Why you must set up DNS to surf the Internet. Some friends may find out, why I may land QQ, MSN, but can not open the page. In fact, most of the reasons are due to DNS server failure, the DNS

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 51.144.198.99

When NetlogonWhen the service cannot register or cancel registering multiple resource records, the System Event Log will recordNetlogon5781Error message. The event description does not contain the names of these resource records. In addition, the event description may be "no ",DNS servers are available ", note: the common cause of these errors is that the domain controller references itself as the

The first paragraph: small knowledge (can be neglected to see) Second paragraph: Get the best DNS Third paragraph: Setting up DNS locally Fourth paragraph: Broadband connection (dial-up Internet, is no use of the router's ROC) set up DNS The first paragraph: small knowledge, can be ignored to see the second paragra

Code: Symbol representing number Main code when we build the database, we need to specify a master code for each table, and the main code is called the primary key. The so-called main code is the candidate code that distinguishes different entities in the entity set. There can be only one master code in an entity set, but there may be multiple candidate codes. Tw