DNS Packet Visualiser
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Bit Diagram
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Question
Answer
Authority
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DNS Header
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DoH JSON (RFC 8427)
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Value (0 or 1)
0 (not set)
1 (set)
Opcode
0 – QUERY
1 – IQUERY
2 – STATUS
4 – NOTIFY
5 – UPDATE
Response Code
0 – NOERROR
1 – FORMERR
2 – SERVFAIL
3 – NXDOMAIN
4 – NOTIMP
5 – REFUSED
6 – YXDOMAIN
7 – YXRRSET
8 – NXRRSET
9 – NOTAUTH
10 – NOTZONE
RR Type (number)
1 – A
2 – NS
5 – CNAME
6 – SOA
12 – PTR
15 – MX
16 – TXT
28 – AAAA
33 – SRV
41 – OPT
43 – DS
46 – RRSIG
47 – NSEC
48 – DNSKEY
50 – NSEC3
257 – CAA
RR Class
1 – IN (Internet)
3 – CH (Chaos)
255 – ANY
Value (decimal)
Domain name
IPv4 address
IPv6 address
TXT strings (one per line)
Raw hex (space-separated bytes)
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