diff --git a/ipwhois/net.py b/ipwhois/net.py
index 47468d5..a3142ad 100644
--- a/ipwhois/net.py
+++ b/ipwhois/net.py
@@ -126,6 +126,11 @@ def __init__(self, address, timeout=5, proxy_opener=None):
         self.timeout = timeout
 
         self.dns_resolver = dns.resolver.Resolver()
+        if hasattr(self.dns_resolver, "resolve"):
+            self.dns_resolve = getattr(self.dns_resolver, "resolve")
+        else:
+            self.dns_resolve = getattr(self.dns_resolver, "query")
+        
         self.dns_resolver.timeout = timeout
         self.dns_resolver.lifetime = timeout
 
@@ -220,7 +225,7 @@ def get_asn_dns(self):
         try:
 
             log.debug('ASN query for {0}'.format(self.dns_zone))
-            data = self.dns_resolver.resolve(self.dns_zone, 'TXT')
+            data = self.dns_resolve(self.dns_zone, 'TXT')
             return list(data)
 
         except (dns.resolver.NXDOMAIN, dns.resolver.NoNameservers,
@@ -262,7 +267,7 @@ def get_asn_verbose_dns(self, asn=None):
         try:
 
             log.debug('ASN verbose query for {0}'.format(zone))
-            data = self.dns_resolver.resolve(zone, 'TXT')
+            data = self.dns_resolve(zone, 'TXT')
             return str(data[0])
 
         except (dns.resolver.NXDOMAIN, dns.resolver.NoNameservers,
diff --git a/setup.py b/setup.py
index ef22a09..b639b13 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@
 
 PACKAGE_DATA = {'ipwhois': ['data/*.xml', 'data/*.csv']}
 
-INSTALL_REQUIRES = ['dnspython<=2.0.0', 'ipaddr==2.2.0;python_version<"3.3"']
+INSTALL_REQUIRES = ['dnspython<=3.0.0', 'ipaddr==2.2.0;python_version<"3.3"']
 
 setup(
     name=NAME,