這些在線工具 可幫助註冊商診斷和解決域名技術問題:

Pingdom is a web tool which tests DNS servers and settings for a domain name to find errors and help ensure proper configuration.


IntoDNS is a web tool which checks DNS health and configuration, provides DNS and mail servers reports, and suggests ways to fix and improve them.


DNSInspect is a web tool which checks your domain’s servers for common DNS and mail errors and generates a report with explanation how to fix them.