- Add comprehensive eterban section with commands and usage
- Document access to priv.etersoft.ru (ssh -p 32 without root@)
- Add eterban log locations and settings
- Make DNS verification mandatory after changes
- Add Cloudflare DNS to verification checklist
- Improve DNS report format template

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>