Why Would You Use Nslookup?

How do I fix nslookup?

How to fix NSLOOKUP Default Server: UnKnown?Open the DNS management console in the Server 2008.

Go to the your Reverse Lookup Zone icon and right click on it and select “New Pointer(PTR)“.In the New PTR window enter the IP address of DNS server and enter(or select) the host name of the server.Now click OK and restart the DNS server service..

How do I know if my DNS is working?

In order for you to check whether the network connectivity of your DNS is working properly, you can log on to the DNS server and then ping a few machines. You can also look for random devices and try pinging your DNS server from them. If this works, then it means that your network connectivity is not to blame.

Why does nslookup show different IP?

The answer you’re getting while using nslookup to resolve the ip address is coming from your Reverse Lookup zone in DNS, and the record being returned is stale. You should enable scavenging on the DNS server and on your Forward and Reverse Lookup zones so that stale records get removed.

Why would you want to use nslookup in interactive mode versus non interactive mode and in what scenarios would you use each of them?

Nslookup is a program to query Internet domain name servers. … Interactive mode allows the user to query name servers for information about various hosts and domains or to print a list of hosts in a domain. Non-interactive mode is used to print just the name and requested information for a host or domain.

How do I nslookup a specific DNS server?

nslookup use specific dns server You may choose to use a DNS server other than your primary DNS server. To do this, type nslookup, followed by the name of the domain you wish to query, and then the name or IP address of the DNS server you wish to use.

How do I find my DNS server name?

Querying DNSClick the Windows Start button, then “All Programs” and “Accessories.” Right-click on “Command Prompt” and choose “Run as Administrator.”Type “nslookup %ipaddress%” in the black box that appears on the screen, substituting %ipaddress% with the IP address for which you want to find the hostname.More items…

What are the two parts of an IP address?

The bytes of the IP address are further classified into two parts: the network part and the host part. Figure 3-1 shows the component parts of a typical IP address, 129.144.

Why is nslookup not working?

If reverse DNS for that IP address is not setup correctly, then NSLOOKUP cannot determine the name associated with the IP address. … It only means that there is no reverse DNS name for the DNS server IP address, which in most cases may not be a problem at all.

How does netstat command work?

Netstat — derived from the words network and statistics — is a program that’s controlled via commands issued in the command line. It delivers basic statistics on all network activities and informs users on which portsand addresses the corresponding connections (TCP, UDP) are running and which ports are open for tasks.

What does nslookup show?

The nslookup command displays information about internet servers. The nslookup (which stands for name server lookup) command finds name server information for domains by querying the Domain Name System.

What is netstat used for?

The netstat command generates displays that show network status and protocol statistics. You can display the status of TCP and UDP endpoints in table format, routing table information, and interface information. The most frequently used options for determining network status are: s , r , and i .

How does nslookup work?

nslookup is a simple but very practical command-line tool, which is principally used to find the IP address that corresponds to a host, or the domain name that corresponds to an IP address (a process called “Reverse DNS Lookup”). … The name nslookup stands for “name server look up.”

What is the 8.8 8.8 DNS server?

Google DNS8.8. 8.8 is the primary DNS server for Google DNS. Google DNS is a public DNS service that is provided by Google with the aim to make the Internet and the DNS system faster, safer, secure, and more reliable for all Internet users.

Does netstat show hackers?

Step 4Check Network Connections with Netstat If the malware on our system is to do us any harm, it needs to communicate to the command and control center run by the hacker. … Netstat is designed to identify all connections to your system.

What does * * mean in netstat?

It is a wildcard meaning “any”. For example, in the third line: tcp 0 0 *:smtp *:* LISTEN. The first *, in *:smtp , means the process is listening on all of the IP addresses the machine has.