- Lab
- A Cloud Guru
DNS and BIND - DNS Querying with BIND Utilities
Name service queries are essential in retrieving information stored in DNS records. We will be using the tools in the bind-utils package to perform these requests. In this video, we will perform name service queries using the `host`, `nslookup`, and `dig` commands.
Path Info
Table of Contents
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Challenge
Install the bind-utils Package and Start Named
$ yum install bind-utils -y
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Challenge
Display the Name Servers for the Domain google.com Using the host Command
$ host -t ns google.com
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Challenge
Use the host Command to Display the Mail Servers Configured for google.com
$ host -t mx google.com
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Challenge
Resolve the IP Address for ns4.google.com Using the nslookup Command
nslookup ns4.google.com
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Challenge
Using the nslookup Command, List the Name Servers for google.com
$ nslookup -type=ns google.com
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Challenge
Use the nslookup Command to List the Mail Servers Responsible for Mail Exchange for google.com
$ nslookup -query=mx google.com
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Challenge
Use the Debug Mode for nslookup to Provide More Details for google.com
$ nslookup -debug google.com
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Challenge
Resolve the IP for google.com Using the dig Command
$ dig google.com
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Challenge
Use the dig Command to List the Name Servers for google.com
$ dig ns google.com
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Challenge
Using dig, List Only the Four NS Records for google.com
$ dig ns google.com +noall +answer
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