new hosts appearing between 2012-12-20_0800 and 2012-12-21_0800:
mail.ru                         has IPv4 has IPv6 2a00:1148:1:1322::b0ba (ok) (time=0.202343)
www.blogspot.fr                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.019654)
www.esteghlali.com              has IPv4 has IPv6 2400:cb00:2048:1::c71b:8797 (ok) (time=0.001726), 2400:cb00:2048:1::c71b:8697 (ok) (time=0.001495)
www.kinghost.com.br             has IPv4 has IPv6 2804:10:5::88:18 (ok) (time=0.212462)
www.kinghost.net                has IPv4 has IPv6 2804:10:5::81:20 (ok) (time=0.216765)
www.linksbookmark.com           has IPv4 has IPv6 2607:f1c0:1000:600a:df6:6e24:23ab:5 (ok) (time=0.065889)
www.publichd.eu                 has IPv4 has IPv6 2001:4c48:2:8400:dead:beef:c0de:face (ok) (time=0.176763)
www.publichd.se                 has IPv4 has IPv6 2001:4c48:2:8400:dead:beef:c0de:face (ok) (time=0.177158)
www.retronaut.com               has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020975)
www.telecom.pt                  has IPv4 has IPv6 2a02:818:2020:5040::1 (ok) (time=0.175403)
www.viscositylink.com           has IPv4 has IPv6 2607:f1c0:1000:60eb:e45f:4621:b453:0 (ok) (time=0.065870)
www.yieldpoints.com             has IPv4 has IPv6 2607:f1c0:1000:60eb:e45f:4621:b453:0 (ok) (time=0.066289)

hosts disappearing between 2012-12-20_0800 and 2012-12-21_0800:
www.blogspot.com.ar             had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.com.br             had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.se                 had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.chopsteel.com               had IPv4 had IPv6 2607:f1c0:1000:600a:df6:6e24:23ab:5  
www.cpf.gov.sg                  had IPv4 had IPv6 2001:df0:300:b:103:8:212:14  
www.cyclestroke.com             had IPv4 had IPv6 2607:f1c0:1000:608c:837a:ed37:ff81:16  
www.google.com.vn               had IPv4 had IPv6 2001:4860:4001:802::1017  
www.phnoy.com                   had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.southmp3.org                had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.stylifyyourblog.com         had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.telmex.com                  had IPv4 had IPv6 2806:1080:101::1a  
www.tu-muenchen.de              had IPv4 had IPv6 2001:4ca0:0:103::81bb:ffe4  
www.ubersuggest.org             had IPv4 had IPv6 2604:9a00:2010:a00d:4::2e