Resolve .xyz as UNS domains

[iurevych]

Background / Changes

This PR resolves .xyz as UNS domains, instead of throwing an error of an unsupported domain.

Code Review

This Pull Request was thoroughly reviewed and meets all Code Review Standards pertaining to:

• Implementation - satisfied acceptance criteria
• Communication - notified engineers/stakeholders about impactful changes
• Error handling - handled, logged & alerted on errors
• Documentation - wrote readable code & commits, documented unintuitive code
• Testing - unit & E2E test coverage, tested in staging, DB migrations backwards compatible
• Security - sanitized inputs, vetted dependencies, validated/secured API requests, no committed secrets
• Performance - optimized expensive algorithms & database queries

Please select all applied standards relevant to this PR.

Confirmation

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