ThreadmarkCyber has been protecting customers in Australia for over 10 years providing services and support throughout that time for small home business, government and enterprise. These services range from; Network support and email hosting to DNS and website hosting. The systems I have setup and manage have stood the test of time, not suffered a breach, and maintain exceptional uptime. Everything I do I strive to use open source software to provide a resilient open system, affordable for all business sizes. IT security systems don’t need to cost big money to achieve state of the art protection. We provide tried and tested firewall appliances for on-premises and cloud infrastructure with an emphasis on high availability. As well as providing state of the art security solutions, also provided is a free Public DNS-over-TLS DOT services. This service is for ad filtering and security as well as one of the authoritative name servers used for web hosting.