Dns.c
Copy Code code as follows:
/*
* DNS Query Program on Linux
*
* author:ismdeep@live.com
*
* */
Header Files
#include #include #include #include #include #include #include
List of DNS Servers registered on the systemChar
DNS ServiceDNS: Domain Nsme ServiceRole: Resolving the domain name to IP (forward parsing) or resolving IP to a domain name (reverse parsing)Classification of DNS top-level domains:Organization domain:. com. net. org .....Country domain:. CN. tw. JP
Each IP address can have a host name that consists of one or more strings separated by a decimal point. With the hostname, do not memorize each IP device IP address, just remember the relative intuitive meaningful host name on the line. This is the
DNS Subdomain authorizationRole: Applies to the same DNS organizationThe resolution of the parent/child domain is handled by a different DNS serverThe parent DNS server should have the ability to iterate over the sub-domain nameSubordinate
Note on successful DNS configuration-Linux Enterprise Application-Linux server application information. See the following for details. > 1) create a domain name www.yaoshuyin123.com
2) IP address of the Local Domain Name Server: 192.168.0.101
3)
With Windows PowerShell, Windows-plus DNS servers. From the point of view of adjusting DNS server to resolve IP time period, solve the problem of load balance of website.WIN2012R2, a list of commands for managing DNS servers with PowerShellPS
In actual application, DNS resolution errors may occur, that is, when we access a domain name, it cannot be resolved to an IP address, however, you can directly enter the website IP address for normal access, which is caused by a DNS resolution
Recently met a domestic Daniel, heard a call DNS tunnel technology, after a study, found very interesting, record.
what is DNS tunnel.
DNS tunnel is the DNS tunnel. From the name point of view is to use the DNS query process to establish tunnels,
Document directory
The customer called at last night and said that the website could not be accessed. He immediately ran up, entered the domain name, and asked my friend to enter it.Change access from IP address OK, DNS problem. I came to the
1. What is DNSDNS: Domain Name Service, which is a hierarchical computer and network Service naming system that implements name resolution (HOSTNAMEDNS uses the C/s architecture, and the service listens on port 53rd of the host's tcp/udp. Transport
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