Step by Step Detailed Comprehensive Explanation with All CompTIA References: Analysis of the Problem: IPv4 records are associated with "A" records in DNS servers. Option Evaluation: A). AAAA: Used for IPv6. Incorrect. B). MX: Relates to email servers. Incorrect. C). CNAME: Provides aliases, not IP mappings. Incorrect. D). A: Maps hostnames to IPv4 addresses. Correct. Reference: Domain 2.6 emphasizes understanding DNS record types.