what is best dns server

1. Use a DNS Forwarder The DNS forwarder is for another DNS Server The DNS server that completes the DNS query. The main purpose of using a

hosts for transfer) Master and slave. How do I create a DNS slave server? Rpm-e bind-libs bind-utils SCP 172.16.100.1:/etc/yum. Repos. d/server. Repo ./ Yum-y install bind97 bind97-utils Ls-L/var/named/# note that the data is synchronized using the named user and named group during data synchronization. Therefore,

What is DNS? What's the role of DNS? We hang on the Internet all day, the estimates for these problems are also somewhat vague, DNS is the domain Name system, the abbreviation, is a cor

Problem phenomenon:AD The domain controller operating system is WIN2008R2, and a rejected error occurs when a DNS host (A) or alias (CNAME) record is manually added in DNS Manager. However, after you join the client to the domain, you can see the DNS host (A) record for the

After the first three sections of the matting, presumably we should have a basic understanding of DNS and related concepts, this section began to discuss the DNS server installation and configuration, but also have the client settings, the content is very basic. Today our test environment

DNS server, and if it finds the corresponding domain, it does not need to query any DNS server to convert it directly to an IP address.Try editing the/etc/hosts file below and add the following information: 127.0.0.1 google.com.Then, go back to your browser and enter google.com to see

First, the experimental simulation environment:Zhuyu company has a DNS server, because the DNS server is older, ready to migrate to a new DNS server (

) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/44/8C/wKioL1Ph61_TyHPAAARDYvivQW8435.jpg "Title =" Figure 7 "alt =" wkiol1ph61_tyhpa1_dyvivqw8435.jpg "/> Reverse Test # Dig-x 10.170.2.150 @ 10.170.2.10 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/44/8C/wKioL1Ph65OA08G3AAM3ZhRXoUU137.jpg "Title =" Fig 8 "alt =" wkiol1ph65oa08g3aam3zhrxouu137.jpg "/> # Dig-T axfr 2.170.10.in-ADDR. Arpa @ 10.170.2.10 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/44/8D

Specific: Appid: wx... nickname: XXX time: 2015-01-20:07:19 content: the server has timed out when connecting to the public account developer server. Timeout time: 3 seconds: 5 minutes, 39 errors. Example: [ip202.108.5.20.] [MsgText] sae Sina ECs excuse me... details: Appid: wx... Nickname: XXX Time: 22:07:19 Content: a timeout occurs when the server connects

Windows Server PHP environment mysql5.5.37 Apache Server An empty content for a user with id 0 is inexplicably found in the article form of the database The user ID is the title of the 0 article, the body, and the creation time is null The user ID in the data

The user's Lync Server only 80G space, D disk recently added, today found that the size of the C disk is hundreds of MB, the desktop saw some log files, all deleted, finally freed up three g of space, at least before work today will not appear what big problem, I told users you add disk space bar, The user means no, you have to remove the space for me ... Just do

The web is a page of the situation, FTP is an upload and the next pick of the software collectively, in general, in the Web site production has the Web and FTP two kinds of ways to upload files, the web is through the way of folder replication to the local file to the server, slower, FTP

We know that the VPS server is a virtualization technology, build VPS server virtualization software and new cloud architecture solutions are many, they have advantages and disadvantages, therefore, different VPS Server service providers may use different virtualization technology to build VPS servers, Similarly, the c

Network communication is mostly based on TCP/IP, while TCP/IP is based on IP address, so the computer can only recognize the IP address such as "202.96.134.133" when communicating on the network, but cannot know the domain name. We can't remember sites with more than 10 IP addresses, so when we visit the site, more is in the browser address bar to enter the domai

Build a DNS server by yourself Preface: During normal internet access, domain names are all accessed. How can we convert domain names to IP addresses? What about accessing our server host? In this case, you need to use the DNS server