what is best dns server

One, the type of DNS server①Primary DNS Server (Master)A domain's master server holds the zone configuration file for that domain, and all of the configuration and changes are made on that server, and this essay explains how to co

What virtual machine is best for Windows Server 2003 (64bit)? Note:Mainly build Wamp, although now Wampserver has a 64-bit version, but PHP version 5.3+, the existing project is developed for version 5.2, wampserver (PHP version 5.2) only 32-bit version , so you want to run Wampserver (PHP version 5.2) with a virtual

Article Title: DNS server security strategy under solaris10. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. A DNS server

Microsoft Windows Server Update Services (WSUS) is a program designed to streamline IT systems in a large number of ways when major updates are performed. By using Windows Server Update Service (WSUS ), administrators can quickly and reliably deploy the latest key updates and security updates for Windows xp and later, Office 2003 and later, Exchange

This example details the differences between time () and $ _ SERVER [REQUEST_TIME] in php. What is the difference between time () and $ _ SERVER ['request _ time'] in php, I believe many people will, like me, question the main difference between the two. I will analyze it for you as follows: 1. time () gets the current

Looking at other people's attack prevention code, there is such a line: {code...} What is the role? The following is a line in the anti-attack code of others: empty($_SERVER['HTTP_VIA']) or exit('Access Denied'); What is the func

DNS Overview: DNS is the domain Name System, which is a distributed database, organized into a domain hierarchy of the structure of the computer and Network service naming system. Its role is: to transform the domain name into a network can identify the IP address, the resul

In advance you need to know how your site is being attacked. The following two types of attacks are common:1, traffic attacks, which is what we often call DDoS and Dos attacks, which are the most common bandwidth attacks in traffic attacks, typically use a large number of packets to overwhelm one or more routers, servers, and firewalls, so that your site

I. What is Squid? Squid is a software used to buffer Internet data. In this way, it implements its function by accepting requests from the target (object) that people need to download and processing these requests as appropriate. That is to say, if a person wants to download a web page, he requests Squid to get it for

DNS (domain Name System) is a long history method for assigning a domain name to a computer with an IP address so that the computer has a character name. If the IP address is 207.46.193.254 computer that is Microsoft server www.microsoft.com.

Under what circumstances does DNS use UDP and TCP respectively? Server dns uses UDP and TCP port 53 at the same time. This single application protocol uses two transmission protocols at the same time, which is an alternative in the TCP/IP stack. However, few people know

This chapter describes how to add a Lync server to the Lync Server front End PoolLync Server front-end high-availability implementation method Three, in fact, the Microsoft Official website method only lists two, and many articles on the network emphasize the inability to use the Windows-based Network Load balancing for high-availability configuration

What is the service instance The cloud server instance (ECS instance) is a virtual computing environment that contains the most basic computing components, such as CPU, memory, operating system, bandwidth, and disk. You can interpret an ECS instance as a stand-alone virtual machine. ECS instance

In the past, I was familiar with this problem. I could just learn about this failure. DNS name resolution, which is called inaccurate domain name resolution. Workflow: DNS Client-> hosts file-> DNS servers on the Internet-> website. Enter the website in the browser and press Enter. The request will be sent to a

saved in Chinese. , there will be no problem.But! If the host computer is an English operating system and does not support the Chinese environment, then the problem comes out. All varchar fields are garbled when they are stored in Chinese (shown as??). ）． And generally you don't know this because you're using the wrong data type to store the resulting, you'll try to install the Chinese font, try to set the operating system's language environment ...

Reference URL: http://www.unixmen.com/dns-server-installation-step-by-step-using-centos-6-3/DNS (Domain name System) translates host names or URLs into IP addresses. For example, if "www.unixmen.com" is in the browser,DNS server t

Sometimes when we want to add an IP address to a netsh command or install a printer, we find that the computer prompts "RPC server is not available," which is common, but many users don't know how to solve it, so what happens when you encounter a Win7 system RPC server? Don'

Tags: des style c Class Blog codeOriginal: What is the size of the SQL Server log file's write operation to the disk?The SQL Server database has three file types, data files, secondary data files, and log files, where the log files contain all the log information used to recover the database, SQL

What is the difference between a SQL Server database and a MySQL database? A lot of friends in the IT industry. For SQL Server database and MySQL database often confuse, think these two kinds of database is the same, otherwise, today we analyze the difference between these t

What is the page allocation status when SQL Server creates a table? Thanks again to the sqlskill website and the person who reproduced and translated the article on the sqlskill website, because your reprinting and translation have helped the younger brother learn the tools used in the article "o (_) o: view the small plug-in InternalsViewer on the internal data