Advice needed on DNS/ NS setup on Plesk

I am seeking advice and assistance with my DNS/NS setup on Plesk. Currently, I am experiencing an issue with my domain not resolving correctly.

Skills and experience required:
- Strong knowledge and experience with Plesk Obsidian
- Expertise in DNS and NS setup
- Familiarity with troubleshooting and resolving domain resolution issues

Key project requirements:
- Provide guidance and recommendations to ensure proper DNS/NS configuration
- Identify and troubleshoot any issues causing the domain not to resolve correctly
- Ensure seamless access to my website for visitors
- Optimize email delivery to avoid any issues

Access level:
Advice needed or remote access through Team V or anydesk

If you have the necessary skills and experience to assist with this project, please reach out to discuss further details and provide a proposal.