DNS Example

DNS over UDP

Inspect a real-world DNS query encapsulated in a UDP packet. Understand UDP header plus DNS payload structure, source and destination ports, and transport-level encapsulation.

Hex Data

00 35 00 35 00 1C 00 00 01 00 00 00 01 00 00 00 00 00 00 03 77 77 77 07 65 78 61 6D 70 6C 65 03 63 6F 6D 00 00 01 00 01
Note: UDP header (port 53) + DNS query, real-world usage scenario
Load in Visualizer
transportudp

Field Breakdown

Transaction ID
Identifier for matching queries and responses
0x0035
Flags
Query/Response flags and codes
0b0000000000110101
Questions
Number of questions
28
Answer RRs
Number of answer resource records
0
Authority RRs
Number of authority resource records
256
Additional RRs
Number of additional resource records
0

Related Resources

DNS Protocol Visualizer - Parse & Analyze DNS MessagesDNS Message Format Explained - ByteLensDNS Query Packet Example - ByteLensDNS Response Packet Example - ByteLensDNS MX Record Query Example - ByteLensDNS NXDOMAIN Error Example - ByteLens

About DNS

Domain Name System (RFC 1035)

Fields: 6
Endianness: big
Specification: RFC 1035