cpython/Demo/dns/dnstype.py

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1994-10-08 19:30:50 +00:00
# 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`