Refactor dns.lookup and address handling logic

[C0oki3s]

Updated dns.lookup to return all addresses and adjusted bitwise operations for consistency.

[Copilot]

Pull Request Overview

This PR refactors the DNS resolution fallback mechanism to retrieve all addresses instead of a single address, and fixes bitwise operations to ensure proper unsigned 32-bit integer handling. The changes improve the reliability of address resolution and prevent potential signed integer issues in IPv4 address normalization.

Key changes:

• Modified dns.lookup to return all addresses (all: true) instead of a single address
• Updated address handling logic to iterate through multiple addresses
• Added unsigned right shift (>>> 0) to bitwise operations to ensure proper 32-bit unsigned integer conversion

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