NS Lookup Command in Linux with Examples

Options of nslookup command:

• nslookup google.com : ...
• nslookup 192.168.0.10 : Reverse DNS lookup. ...
• nslookup -type=any google.com : Lookup for any record. ...
• nslookup -type=soa redhat.com : Lookup for an soa record. ...
• nslookup -type=ns google.com : Lookup for an ns record. ...
• nslookup -type=a google.com : Lookup for an a record.

1. What is NS Lookup command?
2. How do I find nameservers in Linux?
3. What does nslookup do in Linux?
4. Does Linux do DNS lookup?
5. How do I use NS Lookup?
6. What is netstat command?
7. How do I monitor DNS on Linux?
8. How do I find the server name from an IP address?
9. How do I know if NTP is running on Linux?
10. How do you nslookup an IP address?
11. How does DNS work on Linux?
12. How do I find my Cname DNS?
13. How does Linux handle DNS?

What is NS Lookup command?

nslookup (from name server lookup) is a network administration command-line tool for querying the Domain Name System (DNS) to obtain domain name or IP address mapping, or other DNS records.

How do I find nameservers in Linux?

To check the current nameservers (DNS) for any domain name from a Linux or Unix/macOS command line:

1. Open the Terminal application.
2. Type host -t ns domain-name-com-here to print the current DNS servers of a domain.
3. Another options is to run dig ns your-domain-name command.

What does nslookup do in Linux?

nslookup is a command-line administrative tool for testing and troubleshooting DNS servers (Domain Name Server). It is used to query specific DNS resource records (RR) as well. Most operating systems comes with built-in nslookup feature.

Does Linux do DNS lookup?

nslookup (name server lookup) is a tool used to perform DNS lookups in Linux. It is used to display DNS details, such as the IP address of a particular computer, the MX records for a domain or the NS servers of a domain. nslookup can operate in two modes: interactive and non-interactive.

How do I use NS Lookup?

To use in interactive mode type nslookup at the command line and hit return. You should get an nslookup command prompt. To use in non-interactive mode type nslookup options at the command prompt.
...
Using Nslookup

1. Find the IP address of a host.
2. Find the domain name of an IP address.
3. Find mail servers for a domain.

What is netstat command?

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 do I monitor DNS on Linux?

Log file can give out required information but dnstop is just like top command for monitoring dns traffic. It is a small tool to listen on device or to parse the file savefile and collect and print statistics on the local network's DNS traffic. You must have read access to /dev/bpf*.

How do I find the server name from an IP address?

If you know how to access your command line or terminal emulator, you can use the ping command to identify your IP address.

1. At the prompt, type ping, press the spacebar, and then type the relevant domain name or the server hostname.
2. Press Enter.

How do I know if NTP is running on Linux?

To verify that your NTP configuration is working properly, run the following:

1. Use the ntpstat command to view the status of the NTP service on the instance. [ec2-user ~]$ ntpstat. ...
2. (Optional) You can use the ntpq -p command to see a list of peers known to the NTP server and a summary of their state.

How do you nslookup an IP address?

In Windows 10 and earlier, to find the IP address of another computer:

1. Open a command prompt. Note: ...
2. Type nslookup plus the domain name of the computer you want to look up, and press Enter . ...
3. When you're finished, type exit and press Enter to return to Windows.

How does DNS work on Linux?

DNS uses a hierarchical tree based name structure. At top of the tree is the “root” ( represented as a dot (.) ) followed by the TLD ( Top Level Domain ), then by the domain-name and any number of lower level sob-domains separated by a dot.

How do I find my Cname DNS?

ABOUT CNAME LOOKUP

This test will list CNAME records for a domain in priority order. The CNAME lookup is done directly against the domain's authoritative name server, so changes to CNAME Records should show up instantly. Also called a canonical name records, they act as aliases, pointing to another DNS name.

How does Linux handle DNS?

DNS usage on linux is done over a set of routines in the C library that provide access to the Internet Domain Name System (DNS). The resolver configuration file ( resolv. conf ) contains information that is read by the resolver routines the first time they are invoked by a process.