new hosts appearing between 2011-11-27_0800 and 2011-11-28_0800:
www.o2.cz                       has IPv4 160.218.161.61 has IPv6 2001:41d8:1:8f20::30 (ok)
www.origo.hu                    has IPv4 195.228.240.145 has IPv6 2001:4c48:1:d5::2:1b (ok), 2001:4c48:1:d5::1:1b (failed)
www.planet-series.tv            has IPv4 85.114.140.87 has IPv6 2001:4ba0:fff6:18c::2 (ok)
www.sch.gr                      has IPv4 194.63.238.40 has IPv6 2001:648:2302:fd00:203:baff:fed2:cd07 (ok)
www.sexomercadobcn.com          has IPv4 91.192.110.74 has IPv6 2a00:1d70:c01c::110:74 (ok)
www.uberhumor.com               has IPv4 199.27.135.130, 141.101.124.131 has IPv6 2400:cb00:2048:1::c71b:8782 (ok), 2400:cb00:2048:1::8d65:7c83 (ok)
www.uyirvani.com                has IPv4 85.114.137.139 has IPv6 2001:4ba0:fff7:6c::1 (ok)

hosts disappearing between 2011-11-27_0800 and 2011-11-28_0800:
www.iij4u.or.jp                 had IPv4 210.148.162.25 had IPv6 2001:240:bb81:8500::3:101 
www.leaseweb.com                had IPv4 85.17.134.129 had IPv6 2001:1af8:4300:4:2600:0:42:1 
www.root.cz                     had IPv4 91.213.160.118 had IPv6 2001:67c:68::76 
www.theholidayspot.com          had IPv4 64.62.214.195 had IPv6 2001:470:1:1ec::403e:d6c3