To give the ‘appearance’ that they will stand behind their product, but refuse to respond to emails or provide a phone number is very dishonest

They refuse to post a phone number on their website, so no one can call them

Does anyone know a phone number for them or if they have good customer service or bad

This means the manufacturer, rather than SquareTrade, is responsible for fixing the problem you reported."I contacted DKnight's customer service via email because apparantly they don't have a phone number?

I contacted DKnight LLC by email, because they don't list a phone number.

Dknight has an email which no longer works and their phone number in the manual

They have 1 phone number found via google that rings for a minute, then goes to a vague voicemail