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
==="First Meeting"I believe that the use of Nslookup students must be more than the use of dig students, so it is necessary to take some time to introduce you to dig.Dig, and Nslookup functions are similar, are DNS query tools.Dig, in fact, is an
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
1. IntroductionThe Domain name Information Finder (DIG) is a powerful tool similar to Nslookup, which not only supports running command-line options, but also enables you to import files directly through the pipeline when querying multiple domain
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
I. Host directiveFormat: Host [-A] FQDN [server]HOST-L domain [Server]Options:-A: Represents a list of all relevant information about the host, including IP, TTL, and error-removing messages, etc.-L: If the next domain setting allows Allow-transfer,
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
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 (Domain information Groper), and Nslookup functions are similar, are DNS query tools1.Dig command FormatDig @dnsserver name QueryType
If you set the DNSServer to be a domain name, first use the default up-to-connect DNS server to query
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
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