Dig command use Daquan (domain name query on Linux)It can be said that the process of translating this document is my re-learning the process of DNS, Dig command can help us learn the principle of DNS, configuration,As well as its query process. The
Dig Introduction:Dig is a tool that queries DNS for information such as NS Records, A records, MX records, and so on in Unix-like command-line mode. Because it has been missingDig man page document, this article right when a Dig use the wizard.Dig's
The dig command is primarily used to query host address information from a DNS domain name server.querying DNS information for a single domain nameThe most typical use of the dig command is to query the information of a single host.$ dig
Dig Command Options and Examples
+ [No] query using TCP or without TCP
+ [No] VC provides options for compatibility with earlier versions. The same role as TCP options. VC stands for "virtual circuit"
+ [No] Ignore ignores the truncated UDP
Http://weibo.com/p/1001603804025475695045I. Problem Source
Since our cloudxns system opened customer service QQ, the most asked question was: "Why does your system prompt that Mx and cname cannot coexist, but I don't have such a prompt when I use
Cloud Server ECS Linux system can use the usual dig command to query the domain name resolution. This article gives a brief description of this.Querying Domain A Records
command Format :dig For example, the query domain name www.aliyun.com
In general, there are two options for querying domain name resolution in Linux, Nslookup or dig, and I think dig more convenient to use.If it is under Debian, you can use the dig command as long as you install the Dnsutils package.The most basic way
1. install the software packages dig and nslookup. Centos: # yuminstallbind-utilsDebian: # apt-getupdate # apt-getinstalldnsutils set the dns server IP address in/etc/resolv. conf before querying. II. usage
1. install the software packageInstall
Dig command
Function descriptionDig and Nslookup, as well as the Domain name Query tool, is used to test the domain Name system is working properly. These two commands are all under the Bind-utils package, dig use is more convenient than
1. view the Host IP address resolved by the DNS host name
Host CommandPurposeResolve a host name to an Internet address or an Internet address to a host name.SyntaxHost [-n [-a] [-c Class] [-d] [-r] [-t Type] [-v] [-w] [-z] Hostname | Address
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