Vincent Schonau reports that fetch-glue no; in named.conf seems to fix this. If you are listed with a high count here, please try this and check back later to see if your count has lowered; look at the times above to be sure the stats are new.
665 [Thu Jan 1 01:00:00 1970] 0.0.0.0:0: 204 209.213.16.126 AAAA ns3.dataloss.nl 204 209.213.16.126 A6 ns6.dataloss.nl 204 209.213.16.126 A6 ns3.dataloss.nl 202 204.71.16.43 A6 ns6.dataloss.nl 199 63.108.136.5 A6 ns6.dataloss.nl 199 204.71.16.43 A6 ns.dataloss.nl 196 204.71.16.43 AAAA ns.dataloss.nl 192 209.213.16.126 A6 ns5.dataloss.nl 188 209.213.16.126 A ns6.dataloss.nl 186 209.213.16.126 A ns5.dataloss.nl 185 209.213.16.126 AAAA ns4.dataloss.nl 185 209.213.16.126 A6 ns4.dataloss.nl 169 63.108.136.5 AAAA ns6.dataloss.nl 165 63.108.136.5 A6 ns3.dataloss.nl 164 63.108.136.5 AAAA ns3.dataloss.nl 156 63.108.136.5 AAAA ns4.dataloss.nl 156 63.108.136.5 A6 ns4.dataloss.nl 155 63.108.136.5 AAAA ns5.dataloss.nl 155 63.108.136.5 A6 ns5.dataloss.nl 155 63.108.136.5 A6 ns.dataloss.nl 141 206.228.212.2 AAAA ns3.dataloss.nl 140 209.213.16.126 A6 ns.dataloss.nl 140 206.228.212.2 A6 ns3.dataloss.nl 139 204.71.16.43 A ns6.dataloss.nl 130 64.125.180.246 A6 ns6.dataloss.nl 129 206.228.212.2 A6 ns.dataloss.nl 127 204.71.16.43 AAAA ns4.dataloss.nl 127 204.71.16.43 A6 ns4.dataloss.nl 120 64.125.180.246 A6 ns.dataloss.nl 120 204.71.16.43 AAAA ns3.dataloss.nl 120 204.71.16.43 A6 ns3.dataloss.nl 117 64.125.180.246 AAAA ns.dataloss.nl 116 151.201.0.38 AAAA ns4.dataloss.nl 116 151.201.0.38 A6 ns4.dataloss.nl 114 151.201.0.38 AAAA ns3.dataloss.nl 113 151.201.0.38 A6 ns3.dataloss.nl 112 128.194.178.1 A6 ns5.dataloss.nl 112 128.194.178.1 A ns5.dataloss.nl 111 128.194.178.1 AAAA ns6.dataloss.nl 111 128.194.178.1 AAAA ns4.dataloss.nl 111 128.194.178.1 AAAA ns3.dataloss.nl 111 128.194.178.1 A6 ns6.dataloss.nl 111 128.194.178.1 A6 ns4.dataloss.nl 111 128.194.178.1 A6 ns3.dataloss.nl 110 64.125.180.246 A6 ns5.dataloss.nl 110 206.228.212.2 A6 ns6.dataloss.nl 105 206.228.212.2 AAAA ns.dataloss.nl 103 204.71.16.43 A6 ns5.dataloss.nl 101 204.71.16.43 A ns5.dataloss.nl
1547 63.108.136.5=volta.evenlink.com
1392 209.213.16.126=lr-209-213-16-126.backroads.net
1194 204.71.16.43=eclipse.isc.cw.net
1028 206.228.212.2=iai.i-america.net
952 64.125.180.246=modelsweb1.models.com
789 151.201.0.38=mail6.bellatlantic.net
778 128.194.178.1=dns.tamu.edu
712 65.219.112.67=ns3.intouchmi.com
672 205.152.133.254=sun00sdf.sdf.bellsouth.net
512 207.18.128.242=ns6.flex.net
486 206.54.254.3=mail.cyberlynk.net
459 216.3.31.246=atl1-ns1.atlas.algx.net
323 65.241.244.7=dns3.com-link.com
300 216.52.117.227=trinity.cfhosting.net
290 65.120.168.10=ns.qostar.com
288 63.160.179.3=dns1.2khiway.net
279 217.12.2.114=dns1.lng.yahoo.com
277 199.173.184.2=phrink.hopk-ma.fiam.net
254 203.18.148.3=ix2.ar.com.au
253 206.222.1.3=dns3.ee.net
216 199.60.118.2=ns.pinc.com
213 209.191.129.1=ns1.nyc.pnap.net
209 129.250.35.166=iad-resolv1.ns.verio.net
200 151.164.64.201=dns1.ltrkar.swbell.net
160 212.61.15.8=ns1.vianetworks.nl
149 66.210.220.2=ns1.plugit.com
121 209.5.217.5=ip5.niagara.net
113 134.58.127.1=kira.kulnet.kuleuven.ac.be
112 209.195.118.3=mx02.cyberus.ca
100 217.67.192.44=ns1.mcnet.pl
99 209.251.64.254=bigjob.bicnet.net
96 209.225.111.205=xserve1.wi.net
95 64.27.65.12=ns1.hispeedhosting.com
84 209.225.55.105=ns1.alloy.com
84 129.250.35.210=sea-resolv1.ns.verio.net
78 209.63.0.2=ns.eli.net
77 12.158.192.1=ns.minot.com
69 202.161.124.17=proxy2-mel.alphalink.com.au
64 139.142.2.2=ns.cg.sfl.net
59 207.126.96.162=ns.above.net
56 208.231.1.34=ns1.skynetweb.com
55 65.198.25.7=ns1.ocgoodwill.org
55 209.113.65.40=serv3.hou2.texas.net
55 204.49.53.3=hurricane.gnt.net
54 129.250.35.112=sjc-resolv1.ns.verio.net
50 196.14.166.11=ns2.epweb.co.za
48 207.76.102.251=jerry.pcisys.net
48 206.31.204.36=spamtracker.enetis.net
48 203.121.130.39=ns1.pacific.net.th
47 194.25.0.70=resolv-f2.dtag.de