nslookup test

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.

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

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 (

nslookup command Summarydefinition of 0.nslookupNslookup is a command-line tool that Microsoft publishes to detect and debug DNS servers. Two modes: one. Non-interactive mode    nslookup–qt= type target domain name  (the default query type is a

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. Network Tools: ifconfig, ping, netstate, Redhat command and graphical settings of ip, finger, nslookup, ifconfignetstateZookeeper 1 ip ad view Nic ID 2. View Nic information in ifconfig 3. Disable the NIC 4. Start the NIC 5. configure a

First, the question:The Domain Control Server DOS window runs the nslookup command prompt as follows:Second, reason analysis:The main reason is that the DNS server for the domain control server does not have a reverse lookup zone set, and the

tcpdump Grab Bag: want to output dot decimal: tcpdump-n * * *Want to output MAC address: TCPDUMP-E * * *Catch target a package: tcpdump DST A//requires root permission, or sudo. The contents of the network package, including the source IP address,

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

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.