TopicIT Networking →
Simple definition
A method that calculates trade DNS using TLS.
Technical definition
DNS over TLS transports protocol DNS in a TLS channel, usually on the port TCP 853.
What is it used for ?
Protecting traffic confidentiality and integrity DNS between a customer and his solver.
Practical example
A router can send his requests DNS a public solver via DoT.
Common issues
- Port 853 filtered
- Incompatible solver
- Policy DNS bypassed internal
Related terms
DNS · SSL/TLS certificate · Network port
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.