Remember DoT
Full name: DNS over TLS
Memory aid: DNS rides over a TLS tunnel.
DoT and DoH use different transport arrangements.
Study area: Protocols & logical ports · Batch 6
Relevant study for: CompTIA Network+ N10-009 · Cisco CCNA 200-301 · CompTIA A+ Core 1 220-1201 · CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
DoT — DNS over TLS
Carries DNS queries and responses over TLS transport.
Why learn DoT — DNS over TLS?
Carries DNS queries and responses over TLS transport.
Where it came from
DoT and DoH use different transport arrangements.
- Memory aid (a learning cue, not the expansion): DNS rides over a TLS tunnel.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand DoT: DNS over TLS.
- Recall this memory aid: DNS rides over a TLS tunnel.
- Explain the practical use: Carries DNS queries and responses over TLS transport.
- Explain this distinction: DoT and DoH use different transport arrangements.
- Identify DoT in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 7858 (www.rfc-editor.org)