Attempts to execute dns.resolver.query() using rdtype='ANY' will
generate a NoAnswer exception even for queries which return an answer.
See test case below.
dnspython==1.8.0
>>> import dns.resolver
>>> dns.resolver.query('www.dnspython.org', 'ANY')
Traceback (most recent call last):
File "<console>", line 1, in <module>
File
"/Users/macarpen/Development/python/iptools/lib/python2.6/site-packages/dns/resolver.py",
line 732, in query
return get_default_resolver().query(qname, rdtype, rdclass, tcp,
source)
File
"/Users/macarpen/Development/python/iptools/lib/python2.6/site-packages/dns/resolver.py",
line 672, in query
answer = Answer(qname, rdtype, rdclass, response)
File
"/Users/macarpen/Development/python/iptools/lib/python2.6/site-packages/dns/resolver.py",
line 121, in __init__
raise NoAnswer
NoAnswer
$dig www.dnspython.org ANY
; <<>> DiG 9.6.0-APPLE-P2 <<>> www.dnspython.org ANY
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13461
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 12
;; QUESTION SECTION:
;www.dnspython.org. IN ANY
;; ANSWER SECTION:
www.dnspython.org. 1277 IN CNAME howl.dnspython.org.
;; AUTHORITY SECTION:
org. 80288 IN NS b0.org.afilias-nst.org.
org. 80288 IN NS b2.org.afilias-nst.org.
org. 80288 IN NS c0.org.afilias-nst.info.
org. 80288 IN NS d0.org.afilias-nst.org.
org. 80288 IN NS a0.org.afilias-nst.info.
org. 80288 IN NS a2.org.afilias-nst.info.
;; ADDITIONAL SECTION:
a0.org.afilias-nst.info. 72555 IN A 199.19.56.1
a0.org.afilias-nst.info. 72618 IN AAAA 2001:500:e::1
a2.org.afilias-nst.info. 31883 IN A 199.249.112.1
a2.org.afilias-nst.info. 23986 IN AAAA 2001:500:40::1
b0.org.afilias-nst.org. 775 IN A 199.19.54.1
b0.org.afilias-nst.org. 794 IN AAAA 2001:500:c::1
b2.org.afilias-nst.org. 73261 IN A 199.249.120.1
b2.org.afilias-nst.org. 73270 IN AAAA 2001:500:48::1
c0.org.afilias-nst.info. 72555 IN A 199.19.53.1
c0.org.afilias-nst.info. 15361 IN AAAA 2001:500:b::1
d0.org.afilias-nst.org. 20535 IN A 199.19.57.1
d0.org.afilias-nst.org. 20652 IN AAAA 2001:500:f::1
;; Query time: 21 msec
;; SERVER: -
;; WHEN: Fri Dec 10 15:46:27 2010
;; MSG SIZE rcvd: 456
--
Michael Carpenter
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