Adding comment for each flag

Reference http://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-12

diff --git a/dns/flags.py b/dns/flags.py
index 388d6aaa732609054e1a843003a872a66bb275ad..a6bc0960813fc3c884263f721de1c660f26b47df 100644 (file)
--- a/dns/flags.py
+++ b/dns/flags.py
@@ -18,15 +18,22 @@
 # Standard DNS flags
 
 QR = 0x8000
+# Authoritative Answer
 AA = 0x0400
+# Truncated Response
 TC = 0x0200
+# Recursion Desired
 RD = 0x0100
+# Recursion Available
 RA = 0x0080
+# Authentic Data
 AD = 0x0020
+# Checking Disabled
 CD = 0x0010
 
 # EDNS flags
 
+# DNSSEC answer OK
 DO = 0x8000
 
 _by_text = {