Cron job errors
- HTTP error: 500 Internal Server Error
- HostGator blocks our IP addresses
- Failed to connect: Connection refused
- HTTP error: 406 Not Acceptable (LiteSpeed)
- HTTP error: 504 Gateway Timeout
- Error: Connection reset by peer
- Connection timed out after X milliseconds
- HTTP Error: 503 Service Unavailable
- Verbose data: Hostname was NOT found in DNS cache