what is primary dns suffix

Originally in this verse to explain the installation of DNS, but I found that in fact before this, but also need to explain a few basic concepts, first of all, the DNS suffix. In the previous basic chapters, we know that a domain name can be divided into the main and suffix 2 parts, where the host we can understand as

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

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

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?

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

Transferred from: http://www.office68.com/computer/14231.html DNS is the abbreviation for the domain Name System and is a core service of the Internet as a distributed database that maps domain names and IP addresses to each other, making it easier for people to access the Internet without remembering the number of IP strings that can be read directly by the mac

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

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

TD file is the Thunderbolt has not yet been downloaded to complete the file, in order not to be confused with the film file, after it, add an extension "TD" to differentiate, when the download is completed, the TD will automatically cancel. For movie files, if you download 99%, there is no resources, then you rename it, the following TD deleted, and some can play

Several concepts need to be clarified: 1) Candidate Key: the value of an attribute group in a link uniquely identifies a tuples. If any attribute is removed from this attribute group, it does not have this property, such an attribute group is called a candidate code. 2) primary key: when multiple candidate codes exist, you can select one as the

What is DNS? The Chinese interpretation of DNS is the domain name resolution service, which is the abbreviation for Domain Name service. The primary role of the

What is the difference between adding 1 by prefix and adding 1 by suffix? prefix 1 and The increment operator ++ is a unary operator. The increment operator can appear before the variable as the prefix or suffix after the variable. What