DNS Cache Manager: touch DNSServersPanel.java
DNS Cache Manager: createDNSTablePanel() -> DNSServersPanel.java
DNS Cache Manager: createDNSTablePanel() -> DNSServersPanel.java: finish
DNS Cache Manager: add ARecordsPanel.java
DNS Cache Manager: add ARecords to DNSCacheManager
DNS Cache Manager: clearARecords()
DNS Cache Manager: finished aRecord functionality