new hosts appearing between 2013-12-18_0800 and 2013-12-19_0800:
www.adsense.blogspot.com        has IPv4 has IPv6 2607:f8b0:4005:800::100a (ok) (time=0.001622)
www.adultmult.ru                has IPv4 has IPv6 2a03:c980::1:20:51 (ok) (time=0.199337)
www.appspot.com                 has IPv4 has IPv6 2607:f8b0:400e:c04::8d (ok) (time=0.020167)
www.apptopia.com                has IPv4 has IPv6 2406:da00:ff00::b849:a3bb (ok) (time=0.075483), 2406:da00:ff00::b848:ed0b (ok) (time=0.075159)
www.blogspot.it                 has IPv4 has IPv6 2607:f8b0:400e:c04::bf (ok) (time=0.020199)
www.buildinternet.com           has IPv4 has IPv6 2400:cb00:2048:1::6ca2:cff6 (ok) (time=0.134173), 2400:cb00:2048:1::8d65:7cf6 (ok) (time=0.134646)
www.charter.com                 has IPv4 has IPv6 2607:f428:3:1:80:80:80:1 (ok) (time=0.082450)
www.crn.com                     has IPv4 has IPv6 2620:103::192:155:48:104 (ok) (time=0.086277)
www.dansdeals.com               has IPv4 has IPv6 2600:3c03::f03c:91ff:fe93:5a5e (ok) (time=0.079996)
www.delishows.com               has IPv4 has IPv6 2400:cb00:2048:1::6ca2:c4a9 (ok) (time=0.128950), 2400:cb00:2048:1::6ca2:c5a9 (ok) (time=0.008961)
www.directoryint.com            has IPv4 has IPv6 2a02:29e8:770:0:3::31 (ok) (time=0.187147)
www.gosf.in                     has IPv4 has IPv6 2607:f8b0:400e:c04::79 (ok) (time=0.020118)
www.gramfeed.com                has IPv4 has IPv6 2607:f8b0:400e:c04::79 (ok) (time=0.021983)
www.iij4u.or.jp                 has IPv4 has IPv6 2001:240:bb81:8f00::76 (ok) (time=0.110430)
www.iupsc.in                    has IPv4 has IPv6 2607:f8b0:400e:c04::79 (ok) (time=0.020316)
www.jobstreet.com               has IPv4 has IPv6 2404:4800:0:7::101 (ok) (time=0.187592)
www.jobstreet.com.sg            has IPv4 has IPv6 2404:4800:0:7::101 (ok) (time=0.190124)
www.lazada.co.id                has IPv4 has IPv6 2a02:cb40:200::8c (ok) (time=0.179826)
www.macmagazine.com.br          has IPv4 has IPv6 2400:cb00:2048:1::6ca2:cc72 (ok) (time=0.151876), 2400:cb00:2048:1::6ca2:cb72 (ok) (time=0.009502)
www.masterhost.ru               has IPv4 has IPv6 2a00:15f8:a000:4:1:5:1:80 (ok) (time=0.210267), 2a00:15f8:a000:4:1:5:2:80 (ok) (time=0.210178)
www.q22w.com                    has IPv4 has IPv6 2001:49f0:d000:2::d (ok) (time=0.014174)
www.skroutz.gr                  has IPv4 has IPv6 2a03:e40:42::42 (ok) (time=0.230618)
www.ssmusictheblog.blogspot.in  has IPv4 has IPv6 2607:f8b0:4005:800::100a (ok) (time=0.001500)
www.telus.com                   has IPv4 has IPv6 2001:56a:3:123::eeee (ok) (time=0.071889)

hosts disappearing between 2013-12-18_0800 and 2013-12-19_0800:
nobelprize.org                  had IPv4 had IPv6 2a02:80:3ffe::39  
www.asly-3rby.com               had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.azofreeware.com             had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.bahaaaaaal.blogspot.com     had IPv4 had IPv6 2607:f8b0:4005:800::100a  
www.bestwebsoft.com             had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.blogspot.com.es             had IPv4 had IPv6 2607:f8b0:400e:c04::bf  
www.cuhk.edu.hk                 had IPv4 had IPv6 2405:3000:3:118::49  
www.cuni.cz                     had IPv4 had IPv6 2001:718:1e03:622::12  
www.designzzz.com               had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.fnvfox.appspot.com          had IPv4 had IPv6 2607:f8b0:400e:c04::8d  
www.forwardprogressives.com     had IPv4 had IPv6 2400:cb00:2048:1::6ca2:cd9d  
www.gold-promo.net              had IPv4 had IPv6 2001:67c:2070::109  
www.minecraftdl.com             had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.motorbeam.com               had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.pistepseto.eu               had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.qiqru.org                   had IPv4 had IPv6 2001:470:1f15:700::2  
www.supportivehands.net         had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.th3sky.com                  had IPv4 had IPv6 2607:f8b0:400e:c04::79  
www.ui.ac.id                    had IPv4 had IPv6 2403:da00:1:3::b5  
www.videolan.org                had IPv4 had IPv6 2a01:e0d:1:3:58bf:fa02:0:1