dig soa record

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

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

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

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

Dig Dig [option] FQDN [@server] @server: If you do not use/etc/resolv.conf as the DNS query, you can fill in the other IP Options: A number of relevant parameters, mainly +trace,-t type and-X are the most commonly used +trace: It's from. Start

Common options:-B: When the host has multiple IP addresses, specify which IP address to use to send Domain name query requests to the domain name server;-f-P: Specifies the port number used by the domain name server;-t-X: Perform reverse domain name

Brief introduction In my opinion, the only DNS solution based on bind consists of two parts: geolocation and dynamic record. The domestic industry for smart DNS positioning is nothing more than these two points, but I understand that smart DNS is