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- .. _message-flags:
- Message Flags
- =============
- DNS message flags are used for signalling of various kinds
- in the DNS protocol. For example, the ``QR`` flag indicates
- that a message is a response to a prior query.
- Messages flags are encoded in two locations: the DNS header
- and the EDNS flags field.
- Header Flags
- ------------
- .. autodata:: dns.flags.QR
- .. autodata:: dns.flags.AA
- .. autodata:: dns.flags.TC
- .. autodata:: dns.flags.RD
- .. autodata:: dns.flags.RA
- .. autodata:: dns.flags.AD
- .. autodata:: dns.flags.CD
- .. autofunction:: dns.flags.from_text
- .. autofunction:: dns.flags.to_text
-
- EDNS Flags
- ----------
- .. autodata:: dns.flags.DO
- .. autofunction:: dns.flags.edns_from_text
- .. autofunction:: dns.flags.edns_to_text
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