new hosts appearing between 2012-02-15_0800 and 2012-02-16_0800:
jogos.uol.com.br                has IPv4 200.221.8.140, 200.147.67.181 has IPv6 2804:49c:319:430::322 (ok)
seokicks.de                     has IPv4 176.9.58.140 has IPv6 2a00:1158:0:300:7476::1 (ok)
www.campus-party.com.br         has IPv4 173.203.206.139, 173.203.217.175 has IPv6 2001:470:1f06:e87::2 (ok)
www.carros.uol.com.br           has IPv4 200.147.3.199, 200.147.35.224 has IPv6 2804:49c:319:430::326 (ok)
www.host.uol.com.br             has IPv4 200.147.35.224, 200.147.3.199 has IPv6 2804:49c:319:430::326 (ok)
www.jonn22.com                  has IPv4 92.53.122.16 has IPv6 2a03:6f00:1::5c35:7a0b (ok)
www.natelinha.uol.com.br        has IPv4 200.147.3.199, 200.147.35.224 has IPv6 2804:49c:319:430::326 (ok)
www.nctu.edu.tw                 has IPv4 140.113.40.35, 140.113.41.8, 140.114.60.211 has IPv6 2001:f18:113:41::8 (failed), 2001:f18:113:40::35 (ok)
www.reg.ru                      has IPv4 83.222.4.65, 83.222.14.200, 87.242.73.93 has IPv6 2a00:15f8:1110:1::1:12 (ok), 2a00:15f8:1110:1::1:2 (ok), 2a00:15f8:1110:1::1:11 (ok)
www.spoluzaci.cz                has IPv4 77.75.72.118 has IPv6 2a02:598:1::118 (ok)
www.sport.cz                    has IPv4 77.75.76.63 has IPv6 2a02:598:1::63 (ok)
www.super.cz                    has IPv4 77.75.72.57 has IPv6 2a02:598:1::57 (ok)
www.szn.cz                      has IPv4 77.75.76.55 has IPv6 2a02:598:1::55 (ok)
www.ufsc.br                     has IPv4 150.162.2.10 has IPv6 2801:84:0:2::10 (ok)

hosts disappearing between 2012-02-15_0800 and 2012-02-16_0800:
www.indiangirlsclub.com         had IPv4 199.27.134.40, 173.245.60.114 had IPv6 2400:cb00:2048:1::adf5:3c72 , 2400:cb00:2048:1::c71b:8628 
www.najdi.si                    had IPv4 89.143.229.238, 85.10.36.238 had IPv6 2a00:ee0:3e::80:1 
www.occupywallst.org            had IPv4 173.231.134.109 had IPv6 2001:48c8:1:11::2 
www.softlayer.com               had IPv4 66.228.118.51 had IPv6 2607:f0d0:1000:11:1::1 
www.wysiwygwebbuilder.com       had IPv4 81.169.145.144 had IPv6 2a01:238:20a:202:1091::145