Step 8 As shown in earlier steps, the queries for NS and MX records return FQDNs, not IP addresses. What if you wanted the actual IP addresses for DNS servers and mail servers? Simple! Execute a query to find out the FQDN of the server first, and then take the answer that comes back in a DNS response and use that as the question in a DNS query for either an A or AAAA record! a. Find the FQDN of a DNS server from a domain, and then find its IP address. b. Find the FQDN of a mail server from a domain, and then find its IP address.

Step 8 As shown in earlier steps, the queries for NS and MX records return FQDNs, not IP addresses. What if you wanted the actual IP addresses for DNS servers and mail servers? Simple! Execute a query to find out the FQDN of the server first, and then take the answer that comes back in a DNS response and use that as the question in a DNS query for either an A or AAAA record! a. Find the FQDN of a DNS server from a domain, and then find its IP address. b. Find the FQDN of a mail server from a domain, and then find its IP address.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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