dns opendns

Achieve the goal: Building a DNS server1) Sina Server (dns.sina.com)Dns.sina.com-->192.168.4.5www.sina.com-->1.2.3.40news.sina.com-->1.2.3.452) Sohu Server (dns.sohu.net)dns.sohu.com-->192.168.4.6movie.sohu.net-->5.6.7.80study.sohu.net-->5.6.7.85 Client test:To 192.168.4.5 can query Movie.sohu.net, also can contrast 1.2.3.40To 192.168.4.6 can query www.sin.com. can also counter-check 5.6.7.80 Experimental process:The prerequisite has

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 is made up of a single server for installing the DNS service and an XP sys

Label:Machine A--192.168.103.94--Server Machine B - -and 192.168.4.2--Client Machine A = Install Mysql-server, start; Use the root user login to see if DNS resolution is turned on, and execute the following command: Mysql> Show variables like ' skip_name_resolve% '; +-------------------+-------+ |variable_name | Value | +-------------------+-------+ | skip_name_resolve | OFF | +-------------------+-------+ 1 row in Set (0.00 sec) Indicates that

Every time we enter any domain name in the browser to access a website, we use the Dns protocol to perform a "Domain Name: IP" query. As a command line user, the Nslookup command is the most widely used dns-related command. As a programmer, taking c # as an example, the ip address of a domain name is probably the same as the line "System. net. dns. getHostByName

Google's free DNS server is 8.8.8.8.8, and the secondary server is 8.8.4.4. The primary DNS server of opendns is 208.67.222.222, and the secondary server is 208.67.220.220. DNS in Beijing Free DNS in Beijing:Beijing ns.bta.net.cn 202.96.0.20.Ns.spt.net.cn 202.96.199.20.Ns.cn

implemented our own smart DNS Something, many large Web sites are using this to achieve different line source access to different mirrors, and even to achieve the regional level, for example, in Foshan, the computer room deployed a mirror server, the Guangdong province will be the visit to the serverIn addition, just mentioned smart DNS also has defects, here in detail, bind9 through the user's source IP t

1, login million network domain name self-service management platform address as follows: http://dmp.www.net.cn/). 2, and then login successfully after we find the panel "domain DNS modification" as shown in the following figure click on it. 3, then we will see that there are other DNS in the inside, the default is million network their own DNS, we dele

Code to remotely register static DNS records by invoking the WMI port of the DNS server$dnsServerName = "08dc01.mok.com"$containerName = "Mok.com"$dns =[wmiclass] "\\08dc01.mok.com\root\microsoftdns:microsoftdns_resourcerecord"$dns. Createinstancefromtextrepresentation ($dnsServerName, $containerName, "bb.mok.com in A

Tags: Force roc mini win successful domain Name Service delete fileEnvironment:Linux Server one (dual NIC)Intranet ip:192.168.80.180External network ip:192.168.90.180Linux client one, IP address: 192.168.80.10Win7 client One, IP address: 192.168.90.10Ensure network interoperability between server and two clients,Server testingLinux Client TestingWin7 Client TestingFirst step: Server Configuration--------------1. Installation Service----------------[[email protected] ~]# Yum install-y bind bind-u

DNS viewsWhat are DNS Views (DNS view)?The DNS view is based on different customer sources (referred to as IP), and the DNS server uses different data files to complete the parsing process. In this process, the DNS server is the s

Today, the DNS system has already exceeded the originally set "Address Book" function. With the popularization of the Internet, more and more malicious intrusions and DDoS attacks have emerged. A modern DNS system should be designed to address these issues and provide end users with a fast and easy-to-use interface.The entry point for the DNS system is for the we

I don't know where you are. Anyway, I have a place called the ISP bandwidth service provider, Dr. Peng ... As the original credulous landlord said the legendary telecommunications plus the Great Wall Broadband dual service, the last to pull the landlord's net. As a result, I have never encountered my own IP address is telecommunications. Dr. Peng has always been the bar called the Great Wall broadband. I'm going to go oh ~ ~Always hijack my DNS, and,

Specific methods: Click into "Settings" → "Wireless lan" → "WiFi network right small i icon" → Change the DNS address, you can choose one of the following DNS for replacement.opendns:208.67.222.222 and 208.67.220.220googledns:8.8.8.8 and 8.8.4.4nortondns:198.153.192.1 and 198.153.194.1comododns:156.154.70.221 and 56.154.71.22Both Norton and Comodo have security features that intercept sites with poison and

First step, add the DNS configuration file 1. As shown in our Mac OS preferences, we found the "network" click into. 2. Now pop up the network window we can set up DNS, I here to cable as an example. 3. Then we click "Edit Position" to enter, as shown in the following figure. 4. In the pop-up dialog we click the "+" button, and then a new location of the network configuration file. I'll change it

;FQDNReverse: Ip-->fqdnForward: Fqdn-->ipIp-->fqdn:FQDN-->IP:Www.magedu.com.IP1Inquire:Recursive: Only one request is issuedIteration: Making multiple requestsAnalytical:Forward: Fqdn-->ipReverse: Ip-->fqdnTwo-stage: recursive, iterativeDNS: Distributed DatabaseThe superior only knows its direct subordinate;Subordinates only know the location of the root;DNS server:Accept local Customer query requests (recursive)External client Request: Request author

In Linux, often parsing a domain name, the first will find /etc/hosts file, if the /etc/hosts file does not correspond, will go to find DNS, then what is the way to let the host first look for DNS it?Of course, it's defined in the /etc/nsswitch.conf file./etc/nsswitch.confHosts:files DNS//Find this section and change it to the followingHosts:dns filesIn this way,