DNS Example

DNS Response

Analyze a DNS response packet with answer records. Understand response flags, answer count, resource record structure, TTL, and returned IP address.

Hex Data

81 80 00 01 00 01 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 C0 0C 00 01 00 01 00 00 00 3C 00 04 5D B8 D8 22
Note: Response code = 0x8180 (response + no error), contains 1 A record: 93.184.216.34
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responsea-record

Field Breakdown

Transaction ID
Identifier for matching queries and responses
0x8180
Flags
Query/Response flags and codes
0b0000000000000001
Questions
Number of questions
1
Answer RRs
Number of answer resource records
0
Authority RRs
Number of authority resource records
0
Additional RRs
Number of additional resource records
887

Related Resources

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

About DNS

Domain Name System (RFC 1035)

Fields: 6
Endianness: big
Specification: RFC 1035