new hosts appearing between 2013-06-11_0800 and 2013-06-12_0800:
kogan.com                       has IPv4 has IPv6 2001:4801:1261:28a::10 (ok) (time=0.054252)
www.ethz.ch                     has IPv4 has IPv6 2001:67c:10ec:438e::10 (ok) (time=0.160960)
www.google.cl                   has IPv4 has IPv6 2607:f8b0:4005:800::1018 (ok) (time=0.001224)
www.mhlw.go.jp                  has IPv4 has IPv6 2001:380:515:1:0:11:a1d:465 (ok) (time=0.132530), 2001:380:515:1:0:12:a1d:465 (ok) (time=0.133617)
www.tdc.dk                      has IPv4 has IPv6 2a02:108:301:3::10 (ok) (time=0.157096)
www.uiowa.edu                   has IPv4 has IPv6 2620:0:e50:6802::1b (ok) (time=0.100882)
www.unc.edu                     has IPv4 has IPv6 2610:28:3090:3002::11 (ok) (time=0.107954)

hosts disappearing between 2013-06-11_0800 and 2013-06-12_0800:
www.easyicon.net                had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.jeteye.com                  had IPv4 had IPv6 2001:470:1:1b9::27  
www.kogan.com                   had IPv4 had IPv6 2001:4801:1261:28a::10  
www.motorbeam.com               had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.supportivehands.net         had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.ti.com                      had IPv4 had IPv6 2600:1406:12:1:8200::b48  
www.tokyotosho.info             had IPv4 had IPv6 2001:470:27:4f7::b00b:babe  
www.youm7.com                   had IPv4 had IPv6 2400:cb00:2048:1::be5d:f051