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
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. 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
Passive Information collectionFeatures:Based on open channelNo direct contact with the targetAvoid leaving all traces.Standard Reference--osint:U.S. militaryNorth Atlantic Treaty Organization noun explanationdns--domain Name System domain Name
UNIX is a very popular network operating system. Using the Domain Name Service function provided by UNIX, it establishes a Domain Name System for the Enterprise Intranet, which can effectively manage the network, it is convenient for users to
Nslookup simulation can be easily achieved with Dnsjava tools, Dnsjava official website, Dnsjava-2.1.7.jar downloadPackage Cn.baokx;import Java.net.inetaddress;import Java.net.unknownhostexception;import org.xbill.DNS.Lookup; Import
When first joining the domain, the client makes general DNS and LDAP queries and gets a list of all the domain controllers In the domain, and it goes down the list, trying LDAP binds, and the first successful DC so it binds to-that is the F Irst DC
1. Nslookup (name server lookup): a tool used to query Internet domain name information or diagnose DNS server problems. Nslookup can specify the query type. You can check the DNS record survival time and specify the DNS server to be used for
DNS Literacy Series 4: Pay attention to the more common domain name migration, domain name migration is to modify the authoritative DNS of the domain name, the original authoritative DNS of the domain name ABC. COM will be migrated from A to B. In
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