nslookup dns query

Recently, my colleague reported that during the NSLookup test on the Intranet, I found that when I used the Intranet DNS server 192.168.1.1 for resolution, the DNS server responded very quickly and did not Any errors. However, when the DMZ server 51.

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,

Refer: http://www.renhaibo.com/archives/29.html     We are familiar with the ping command. It is a command for checking network conditions. When the input parameter is a domain name, it will be queried through DNS, however, only records a and cname (

read the basic requirements of this article:1. The use of the cmd command has a certain basis2. The basic principles of DNS and common concepts have a certain understanding, such as host, alias, forward lookup zone, reverse lookup zone, and so on.3.

1 DNS IntroductionDNS (domain Name System) can provide valuable data during the detection process, the basic function of DNS is to convert the domain name to an IP address. (If you don't know much about DNS, it's going to take a lot of effort!) Now

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

For details about dns settings in linux-Linux Enterprise Application-Linux server application, see the following. ① Introduction DNS is the Domain Name System, which can convert a Domain Name such as www.21php.com to an IP address such as 211.152.50.

What should I do if my website is hijacked? Whether the domain name is walled. How to detect DNS pollution. Website hijacking Detection Website opening speed detection. Checks whether a website is hacked, hacked, changed its title, or hacked.   I

NSLookup -Qt = mx Email server IP address or domain name The domain name or IP address of the specified DNS server. Usage:Query IP addresses The simplest use of NSLookup is to query the IP address corresponding to the domain name, including the

Description: The NSLookup command is a program that queries the Internet Domain Name Service. The NSLookup command has two modes: Interactive and non-interactive. Interactive Mode allows users to query different types of hosts and domain names