dnstype.py

一个java写的proxy的例子

# TYPE values (section 3.2.2)

A = 1		# a host address
NS = 2		# an authoritative name server
MD = 3		# a mail destination (Obsolete - use MX)
MF = 4		# a mail forwarder (Obsolete - use MX)
CNAME = 5	# the canonical name for an alias
SOA = 6		# marks the start of a zone of authority
MB = 7		# a mailbox domain name (EXPERIMENTAL)
MG = 8		# a mail group member (EXPERIMENTAL)
MR = 9		# a mail rename domain name (EXPERIMENTAL)
NULL = 10	# a null RR (EXPERIMENTAL)
WKS = 11	# a well known service description
PTR = 12	# a domain name pointer
HINFO = 13	# host information
MINFO = 14	# mailbox or mail list information
MX = 15		# mail exchange
TXT = 16	# text strings

# Additional TYPE values from host.c source

UNAME = 110
MP = 240

# QTYPE values (section 3.2.3)

AXFR = 252	# A request for a transfer of an entire zone
MAILB = 253	# A request for mailbox-related records (MB, MG or MR)
MAILA = 254	# A request for mail agent RRs (Obsolete - see MX)
ANY = 255	# A request for all records

# Construct reverse mapping dictionary

_names = dir()
typemap = {}
for _name in _names:
	if _name[0] != '_': typemap[eval(_name)] = _name

def typestr(type):
	if typemap.has_key(type): return typemap[type]
	else: return `type`