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Internet and Web-Design

Network Troubleshooting


Answer the following questions for domain name from your task:


  1. Find out your computer IP address, gateway IP address and IP addresses of DNS-servers.

  2. Do your DNS-servers work correctly?

  3. Is destination host reachable?

  4. Find out IP-address of destination host, IP-addresses of DNS-servers that are responsible for destination domain name. Get authoritative answer from one DNS-server about mail servers that are responsible for emails to destination domain name.

  5. Make the reverse DNS-requests and get authoritative answers for IP-addresses of destination host and for IP-addresses of mail servers that are responsible for the destination domain.

  6. Fill the table and find out the weakest link in the route from your host to the destination host.

Number

Gateway hostname and IP address

Average time for sending packets from the source host to the current gateway

Average time for sending packets from the previous gateway to the current gateway

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Variant 1. Domain name travel.com

Variant 2. Domain name yahoo.com

Variant 3. Domain name books.com