Safe DNS record management for Namecheap domains. Fetch, add, remove, backup, and restore DNS records with automatic safety checks and dry-run mode. Prevents accidental DNS record wipeout via the Namecheap API's destructive setHosts method.

为 Namecheap 域名提供安全的 DNS 记录管理。通过自动安全检查和模拟运行模式，获取、添加、删除、备份和恢复 DNS 记录，防止因 Namecheap API 的破坏性 setHosts 方法导致 DNS 记录意外清空。