new hosts appearing between 2012-07-06_0800 and 2012-07-07_0800:
mozilla.org                     has IPv4 63.245.215.20 has IPv6 2620:101:8008:5::2:1 (ok)
www.argenteam.net               has IPv4 212.117.164.112 has IPv6 2a01:608:ffff:7063::1337 (ok)
www.bayimg.com                  has IPv4 192.121.86.164 has IPv6 2a00:1a28:1151:0:20c:29ff:feab:f262 (ok)
www.big.or.jp                   has IPv4 183.181.7.1 has IPv6 2001:2e8:621:0:2:1:0:1 (ok)
www.blogspot.com.au             has IPv4 74.125.127.191 has IPv6 2001:4860:8005::bf (ok)
www.blogspot.pt                 has IPv4 74.125.127.191 has IPv6 2001:4860:8005::bf (ok)
www.blogspot.ro                 has IPv4 74.125.127.191 has IPv6 2001:4860:8005::bf (ok)
www.dns-ok.us                   has IPv4 38.68.193.96 has IPv6 2606:700::2644:c160 (ok)
www.gitorious.org               has IPv4 87.238.52.168 has IPv6 2a02:c0:1014::1 (ok)

hosts disappearing between 2012-07-06_0800 and 2012-07-07_0800:
www.blognone.com                had IPv4 203.150.228.244 had IPv6 2001:f00:3836:1:0:ffd0:0:2 
www.blogspot.gr                 had IPv4 74.125.127.191 had IPv6 2001:4860:8005::bf 
www.canadier.de                 had IPv4 81.169.145.85 had IPv6 2a01:238:20a:202:1088::88 
www.k12.pa.us                   had IPv4 192.88.114.252 had IPv6 2001:5e8:0:1000::fc 
www.mozilla.org                 had IPv4 63.245.217.105 had IPv6 2620:101:8008:5::2:1 
www.net4.in                     had IPv4 202.71.131.8 had IPv6 2401:dc00:1:248::8 
www.recruitment4u.net           had IPv4 74.125.127.121 had IPv6 2001:4860:8005::79 
www.udg.mx                      had IPv4 148.202.105.42 had IPv6 2001:1210:105:1::a 
www.unesp.br                    had IPv4 200.145.6.90 had IPv6 2801:88:1000::90 
www.webtaller.com               had IPv4 195.78.231.41 had IPv6 2a00:1d70:c01c::231:41 
www.yandex.com                  had IPv4 100.43.87.3 had IPv6 2a02:6b8::62