WORLD IPV6 LAUNCH is 6 June 2012 ? The Future is Forever

World IPv6 Launch Participants List with IPv6 Path MTU Discovery problem quick test.
RFC4890 is reference to this IPv6 Path MTU Discovery problem. Packet Too Big error message must NOT be dropped.
IPv6 PMTUD test interval is 1 day.

2%(21/1131) websites may have IPv6 Path MTU Discovery problem. Tweet
Web screenshot took in IPv4 IPv6 dual-stack environment and IPv6 native environment and IPv4 native environment. these are not affected by PMTUD problem.
Alexa Top 1,000,000 Websites is here
Quick test program is here. check your web server environment.
**: they have widely different contents between via ipv4 access and via ipv6 access.
 *: they have different contents between via ipv4 access and via ipv6 access.
 wildCard('*'): Allow you to search for any characters. eg '*.jp' or '*MTU*' or '2001:db8:*'
alexa rankhostnameIPv6 PagelanguageIPv4 connectivity test resultIPv6 Path MTU Discovery test resultv4v6v6v4IPv6 addressmore info
1 www.google.com o japaneseO.K. AAAA RR NOT found
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more info
2 www.facebook.com - japaneseO.K. AAAA RR NOT found
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more info
3 www.youtube.com o spanishO.K. AAAA RR NOT found
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more info
4 www.yahoo.com - englishO.K. AAAA RR NOT found
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more info
26 www.bing.com o japaneseO.K. AAAA RR NOT found
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more info
64 www.aol.com - englishO.K. O.K.
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o
2001:4b0:1668:3c06:1::1 / 
2001:4b0:1668:3c06:1::81		more info
98 www.netflix.com - englishunknown AAAA RR NOT found
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o
more info
134 vk.com - englishO.K. AAAA RR NOT found
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more info
183 www.comcast.net o englishO.K. AAAA RR NOT found
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more info
183 ** xfinity.comcast.net o englishO.K. O.K.
o
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more info
224 www.terra.com.br o portugueseO.K. O.K.
o
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o
2001:12c0:0:aaaa:200:154:56:80more info
329 * www.marca.com - spanishO.K. O.K.
o
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o
2001:67c:2294:1000::f199more info
339 www.seznam.cz - slovakO.K. AAAA RR NOT found
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o
more info
342 www.t-online.de - germanO.K. O.K.
o
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o
2003:2:4:164:217:6:164:162more info
362 * dailymed.nlm.nih.gov - danishO.K. O.K.
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more info
362 www.nlm.nih.gov - englishO.K. AAAA RR NOT found
o
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more info
377 www.elmundo.es - spanishO.K. O.K.
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o
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2001:67c:2294:1000::f199more info
411 www.engadget.com - englishO.K. O.K.
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more info
491 ovh.net o englishO.K. AAAA RR NOT found
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more info
537 www.mobile.de - germanO.K. AAAA RR NOT found
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o
more info
560 * www.detik.com o indonesianO.K. O.K.
o
o
o
2402:a000:0:1::100more info
632 * www.mapquest.com - englishO.K. O.K.
o
o
o
2001:4b0:1668:2211:1::4 / 
2001:4b0:1668:2211:2::4		more info
709 * www.heise.de o germanO.K. O.K.
o
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o
2a02:2e0:3fe:100::7more info
715 www.xbox.com o englishO.K. O.K.
o
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more info
815 www.nasa.gov - englishO.K. O.K.
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o
2001:240:bb8f:8000::d295:8714 / 
2001:240:bb8f:8000::d295:872e		more info
917 www.4chan.org - englishO.K. AAAA RR NOT found
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more info
977 * eztv.it - englishO.K. O.K.
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o
o
2a00:1a28:1151:4::101:443 / 
2a00:1a28:1151:4::98:443		more info
1105 www.cisco.com o englishO.K. AAAA RR NOT found
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o
more info
1232 * sify.com o englishO.K. O.K.
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o
o
2001:e48:0:10::10more info
1265 rutube.ru - koreanO.K. AAAA RR NOT found
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o
more info
1272 www.ipv6.hinet.net - chineseO.K. O.K.
o
o
o
2001:b000:180:3::5more info
1278 www.sprint.com - englishO.K. PMTU Discovery problems??
o
o
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2600::aaaamore info
1282 * www.hinet.net - chinese_ZHO.K. O.K.
o
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o
2001:b000:180:3::7more info
1370 * www.iltalehti.fi - finnishO.K. O.K.
o
o
o
2001:67c:224:81::2more info
1490 thepiratebay.se o englishO.K. AAAA RR NOT found
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more info
1527 biz.plala.or.jp - japaneseO.K. O.K.
o
o
o
more info
1527 www.plala.or.jp - japaneseO.K. O.K.
o
o
o
more info
1577 www.autoblog.com - englishO.K. O.K.
o
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o
more info
1588 www.centrum.cz - slovakO.K. AAAA RR NOT found
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-
more info
1638 * www.doodle.com - englishO.K. O.K.
o
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o
2a02:d58:2001::71 / 
2a02:d58:2001::72		more info
1647 meneame.net o spanishO.K. AAAA RR NOT found
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more info
1682 * www.detiksport.com o indonesianO.K. O.K.
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o
o
2402:a000:0:1::100more info
1801 plurk.com - englishO.K. AAAA RR NOT found
o
o
o
more info
1867 dreamhost.com o englishO.K. AAAA RR NOT found
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o
more info
2455 * www.joystiq.com - englishO.K. O.K.
o
o
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more info
2561 www.fark.com - englishO.K. O.K.
o
o
o
more info
2621 registro.br o portugueseO.K. O.K.
o
o
o
2001:12ff:0:2::3more info
2776 www.seas.upenn.edu - englishO.K. O.K.
o
o
o
2607:f470:8:64:5ea5::9more info
2926 www.timewarnercable.com o englishO.K. PMTU Discovery problems??
o
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o
2001:1998:2002:402::200more info
3061 * www.expansion.com - spanishO.K. O.K.
o
o
o
2001:67c:2294:1000::f199more info
3204 * www.nyu.edu - englishO.K. O.K.
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o
o
2607:f600:8002:1::7more info
3410 www.minetur.gob.es o spanishO.K. O.K.
o
o
o
2001:720:438:400::81more info
3460 www.debian.org - englishO.K. O.K.
o
o
o
2001:41b8:202:deb:1a1a:0:52c3:4b61 / 
2001:858:2:2:214:22ff:fe0d:7717		more info
3925 www.cloudflare.com - englishO.K. AAAA RR NOT found
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o
more info
4165 www.ceduardo958.es.tl o catalanO.K. AAAA RR NOT found
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more info
4242 duckduckgo.com o middle_frisianO.K. AAAA RR NOT found
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more info
4320 * www.mtv3.fi - finnishO.K. O.K.
o
o
o
2001:67c:224:81::1more info
4338 * www.cosmiq.de - germanO.K. O.K.
o
o
o
2001:868:100:1c0::200more info
4845 * dom.gratka.pl - slovakO.K. O.K.
o
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o
2a02:1320:ffff:0:195:8:99:31more info
4845 moto.gratka.pl - polishO.K. O.K.
o
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o
2a02:1320:ffff:0:195:8:99:26more info
4845 * praca.gratka.pl - slovakO.K. O.K.
o
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o
2a02:1320:ffff:0:195:8:99:9more info
4845 ssl.gratka.pl - polishO.K. AAAA RR NOT found
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o
more info
4845 turystyka.gratka.pl - polishO.K. O.K.
o
o
o
2a02:1320:ffff:0:195:8:99:24more info
4845 www.gratka.pl - slovakO.K. O.K.
o
o
o
2a02:1320:ffff:0:195:8:99:42more info
5008 naszemiasto.pl - polishDOWN?? DOWN??
o
o
o
2a02:1320:ffff:0:195:8:99:2more info
5167 www.search.ch - germanO.K. O.K.
o
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o
2001:1702:3::3:90more info
5335 * www.va.gov - englishO.K. O.K.
o
o
o
more info
5419 * www.propertyguru.com.sg - englishO.K. O.K.
o
o
o
more info
5694 www.ashmolean.org - englishO.K. DOWN?? Host is down
o
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o
2001:630:441:704::186more info
6067 www.iweb.com - englishO.K. O.K.
o
o
o
2607:f748:1200:e3::1more info
6143 www.usp.br - -O.K. O.K.
o
o
o
2001:12d0::190:196more info
6642 * admin.fedoraproject.org - englishO.K. O.K.
o
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more info
6642 * fedoraproject.org - englishO.K. O.K.
o
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more info
6642 mirrors.fedoraproject.org - englishO.K. O.K.
o
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o
more info
6828 www.huawei.com o englishO.K. AAAA RR NOT found
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o
more info
6864 www.telkom.co.id o indonesianO.K. AAAA RR NOT found
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o
more info
7170 www.unc.edu o englishO.K. O.K.
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o
2610:28:3090:3002::11more info
7277 www.internic.net - englishO.K. O.K.
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more info
7313 * www.tuaw.com - englishO.K. O.K.
o
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more info
7740 www.freebsd.org o englishO.K. O.K.
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2001:4f8:fff6::22more info
7743 * www.chpc.utah.edu - englishO.K. O.K.
o
o
o
2001:1948:414:3::175more info
7936 www.turkiye.gov.tr - indonesianO.K. PMTU Discovery problems??
o
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o
2a00:1d58:0:1902:94:55:118:33more info
7977 www.iana.org - englishO.K. O.K.
o
o
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more info
8248 jobstreet.com.sg - englishO.K. O.K.
o
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o
2404:4800:0:7::101more info
8575 www.fussball.de - germanO.K. O.K.
o
o
o
2003:2:4:164:217:6:164:162more info
8662 * www.opensuse.org o englishO.K. O.K.
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2600:806:310::100more info
8682 www.akamai.com o japaneseO.K. DOWN??
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more info
8712 www.dlink.com o englishO.K. AAAA RR NOT found
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more info
8858 * www.moddb.com - englishO.K. O.K.
o
o
o
2402:ee00:de00:de00::10more info
9037 * www.arin.net o englishO.K. O.K.
o
o
o
2001:500:4:13::80 / 
2001:500:4:13::81		more info
9661 www.oferia.pl - slovakO.K. AAAA RR NOT found
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-
more info
9823 www.ietf.org - englishO.K. O.K.
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2001:1890:123a::1:1emore info
10004 * www.siol.net - -O.K. O.K.
o
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more info
10020 * community.icann.org - englishO.K. O.K.
o
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more info
10020 meetings.icann.org - englishO.K. O.K.
o
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more info
10020 * stats.research.icann.org - englishO.K. O.K.
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more info
10020 www.icann.org - englishO.K. O.K.
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more info
10301 www.ripe.net o englishO.K. O.K.
o
o
o
2001:67c:2e8:22::c100:68bmore info
10627 * www.najdi.si - slovenianO.K. O.K.
o
o
o
2a00:ee0:3e::80:1more info
10690 www.cattelecom.net - thaiO.K. O.K.
o
o
o
2001:c38:9005:4:2000::5more info
10904 www.ui.ac.id o indonesianO.K. DOWN?? Connection timed out
o
o
o
2403:da00:1:3::8emore info
10972 www.citeam.pl - slovakO.K. O.K.
o
o
o
2a02:dc8:3:2::20more info
11109 www.telemagazyn.pl - slovakO.K. O.K.
o
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o
2a02:1320:ffff:0:195:8:99:6more info
11185 * upic.me - scotsO.K. O.K.
o
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more info
11278 www.monash.edu.au - englishO.K. O.K.
o
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more info
11512 masterhost.ru - russianO.K. O.K.
o
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2a00:15f8:a000:4:1:5:1:80 / 
2a00:15f8:a000:4:1:5:2:80		more info
12098 * www.geneanet.org - frenchO.K. O.K.
o
o
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2001:a70:0:2::12 / 
2001:a70:0:2::13		more info
12600 www.mobily.com.sa - japaneseO.K. DOWN?? Connection timed out
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-
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2a02:ce0:3:2::3more info
12681 kambing.ui.ac.id - indonesianO.K. DOWN?? Connection timed out
o
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o
2403:da00:1:3::1emore info
12929 www.lokalisten.de o germanO.K. O.K.
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2001:608:0:1008::1001 / 
2001:608:0:1008::1002		more info
13019 hc.ru - koreanO.K. AAAA RR NOT found
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more info
13629 bandaancha.eu o spanishO.K. O.K.
o
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o
2a00:1380:0:718::100more info
13635 www.swisscom.com - germanO.K. AAAA RR NOT found
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o
more info
14578 www.topachat.com - frenchO.K. AAAA RR NOT found
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o
more info
14722 www.cht.com.tw - chinese_ZHO.K. O.K.
o
o
o
2001:b000:180:3::136more info
14782 www.nhjh.tp.edu.tw - chineseO.K. O.K.
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-
-
2001:288:123e:2::1more info
14982 www.shps.tp.edu.tw - chinese_ZHO.K. O.K.
o
o
o
2001:288:1277:1::cmore info
15053 www.bles.tp.edu.tw - chineseO.K. O.K.
o
o
o
2001:288:12a3:2::4more info
15228 www.ccaba.upc.edu o englishO.K. PMTU Discovery problems??
o
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o
2001:40b0:7500:10:147:83:130:144more info
15274 www.cba.upc.edu o englishO.K. PMTU Discovery problems??
o
o
o
2001:40b0:7500:10:147:83:130:144more info
15274 www.ccjh.tp.edu.tw - chinese_ZHO.K. O.K.
o
o
o
2001:288:1261::2more info
15274 www.hces.tp.edu.tw - chineseO.K. O.K.
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o
o
2001:288:12d9:1::2more info
15274 www.slhs.tp.edu.tw - middle_frisianO.K. O.K.
o
o
o
2001:288:1201::3more info
15320 www.ccjhs.tp.edu.tw - chineseO.K. PMTU Discovery problems??
o
o
o
2001:288:123a:2::208more info
15320 www.ctps.tp.edu.tw - chineseO.K. O.K.
o
o
o
2001:288:12a2::1more info
15320 www.dhjh.tp.edu.tw - chinese_ZHO.K. AAAA RR NOT found
o
o
o
2001:288:1251::1more info
15320 www.whups.tp.edu.tw - chineseO.K. O.K.
o
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o
2001:288:128e::1 / 
2001:288:128e::2		more info
15573 www.eff.org o englishO.K. AAAA RR NOT found
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o
more info
15912 www.law.lsu.edu - englishO.K. O.K.
o
o
o
2620:105:b000:8109:250:56ff:fe80:18more info
16238 www.telkomspeedy.com o englishO.K. DOWN?? Host is down
o
-
o
2001:4488:4:600d::2more info
17315 * www.sgcarmart.com - englishO.K. O.K.
o
o
o
2406:3000:1c::20more info
17863 www.cokupic.pl - slovakO.K. O.K.
-
-
-
more info
18661 noticias.juridicas.com - spanishO.K. AAAA RR NOT found
-
-
o
more info
19203 www.wetter.info - germanO.K. O.K.
o
o
o
2003:2:2:40:62:153:159:88more info
20481 www.ericsson.com o englishO.K. AAAA RR NOT found
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-
o
more info
20611 * www.httrack.com o englishO.K. O.K.
o
o
o
2a01:e0b:1:124:ca0a:a9ff:fe03:3ccfmore info
20622 * biz6.globe.com.ph - englishO.K. O.K.
o
o
o
2001:fe0:0:2::8more info
20634 * ipv6.globe.com.ph o englishO.K. O.K.
o
o
o
2001:fd8:600:4::2more info
20634 www.blacknight.com - englishO.K. O.K.
o
o
o
more info
20752 ** www.di.unito.it o portugueseO.K. O.K.
o
-
o
2001:5c0:1400:b::a0fdmore info
21010 www.nic.cz o slovakO.K. O.K.
o
o
o
2001:1488:0:3::2 / 
2002:d91f:cd32::1		more info
21091 * www.rijksoverheid.nl - germanO.K. O.K.
o
o
o
more info
21143 bt.shu.edu.cn - chinese_ZHO.K. AAAA RR NOT found
-
-
o
more info
21196 www.ku.ac.th o -O.K. O.K.
o
o
o
2001:3c8:1303:160a::5more info
21297 www.mus.auth.gr - chinese_ZHO.K. O.K.
o
o
o
2001:648:2800:181:deaf::2more info
21768 www.pokeritieto.com - finnishO.K. O.K.
o
o
o
2a01:4f8:110:3162::bad:beafmore info
21829 www.nic.cl o spanishO.K. O.K.
o
o
o
2001:1398:1::6003more info
22974 www.bluecoat.com o englishO.K. DOWN?? Host is down
o
-
o
2001:418:9804:111::9more info
23150 www.cdm.depaul.edu - englishO.K. DOWN?? Connection timed out
-
-
o
2620:0:2250:2301::100more info
24160 www.lima-city.de - germanO.K. O.K.
o
o
o
2a00:f48:2000:affe::49more info
24445 www.unesp.br o portugueseO.K. O.K.
o
o
o
2801:88:1000::90more info
24812 * www.kinghost.com.br o portugueseO.K. O.K.
o
o
o
2804:10:5::88:18more info
25034 www.hostingtalk.it - italianO.K. O.K.
o
o
o
2001:4b78:2100:4::3more info
25085 www.imperial.ac.uk - englishO.K. DOWN??
-
-
-
2001:630:12:600:1::107more info
25161 www.djps.kh.edu.tw - -O.K. O.K.
o
o
o
2001:288:827d:1::5more info
25161 www.fyps.kh.edu.tw - chineseO.K. O.K.
o
o
o
2001:288:82b6:2::3more info
25161 www.mtjh.kh.edu.tw - chinese_ZHO.K. O.K.
o
o
o
2001:288:8236:1::2more info
25161 www.wfps.kh.edu.tw - chineseO.K. O.K.
o
o
-
2001:288:82ae:1::10more info
25357 atw.hu - hungarianO.K. AAAA RR NOT found
-
-
o
more info
25406 www.lcn.com - englishO.K. AAAA RR NOT found
-
-
o
more info
25506 www.ipv6.fhps.kh.edu.tw - -A RR NOT found O.K.
o
o
-
2001:288:828a:1::8more info
25537 www.hjjh.kh.edu.tw - japaneseO.K. O.K.
o
o
o
2001:288:823a:1::2more info
25537 www.ipv6.kwps.kh.edu.tw - -A RR NOT found O.K.
o
o
-
more info
25677 www.wfjh.kh.edu.tw - chineseO.K. PMTU Discovery problems??
o
o
o
2001:288:8247:1::8more info
25677 www.xhpps.kh.edu.tw - chineseO.K. O.K.
-
o
o
2001:288:8274:1::1more info
25723 www.hjes.kh.edu.tw - englishO.K. O.K.
o
-
o
2001:288:82a0:1:20c:29ff:fe51:4f7more info
25723 www.ipv6.ycps.kh.edu.tw - -A RR NOT found O.K.
o
o
-
more info
25723 www.kusps.kh.edu.tw - chineseO.K. O.K.
o
o
o
2001:288:826b:1::6more info
25723 www.rfjh.kh.edu.tw - chinese_ZHO.K. O.K.
o
o
o
2001:288:824a:1::1more info
25723 www.rssh.kh.edu.tw - chinese_simpleO.K. O.K.
o
o
o
2001:288:8212:1::3more info
25723 www.sjiaps.kh.edu.tw - japaneseO.K. O.K.
o
o
o
2001:288:829c:1::22more info
25739 www.hkhs.kh.edu.tw - frenchO.K. O.K.
o
o
o
2001:288:8217:1:221:5eff:fe4f:36f6more info
25739 www.lhps.kh.edu.tw - chinese_ZHO.K. O.K.
o
o
o
2001:288:8289:1::2more info
25739 www.nyps.kh.edu.tw - chineseO.K. O.K.
o
o
o
2001:288:82a5:1::3more info
25739 www.smjh.kh.edu.tw - chineseO.K. O.K.
o
o
o
2001:288:8235:1::10more info
26272 www.indieroyale.com - englishO.K. O.K.
o
o
o
2402:ee00:de00:de00::10more info
26544 www.liu.se - englishO.K. O.K.
o
o
o
2001:6b0:17:f008::66more info
26717 www.argenteam.net o spanishO.K. O.K.
o
o
o
2a01:608:ffff:7063::1337more info
27500 www.ecs.soton.ac.uk - englishO.K. O.K.
o
o
o
2001:630:d0:f104::80amore info
28299 www.uns.ac.id - indonesianO.K. O.K.
o
o
o
2001:df0:220::11more info
28492 curtin.edu.au - englishO.K. AAAA RR NOT found
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more info
28720 pepephone.com o spanishO.K. AAAA RR NOT found
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o
more info
29318 * www.hungrygowhere.com o englishO.K. O.K.
o
o
o
more info
30027 www.nic.ch o englishO.K. O.K.
o
o
o
2001:620:0:ff::5more info
30176 * www.3.dk o norwegianO.K. O.K.
o
o
o
2a00:1c50:2003::1141:1more info
30343 www.wiadomosci24.pl - slovakO.K. O.K.
o
o
o
more info
30578 www.isib.cnr.it - italianO.K. O.K.
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-
-
2a00:1620:60:2::2more info
31073 fkip.uns.ac.id - indonesianO.K. O.K.
o
-
o
2001:df0:220:a000::2more info
31512 * bizi.si - slovenianO.K. O.K.
o
o
o
more info
31540 www.griffith.edu.au o englishO.K. AAAA RR NOT found
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-
o
more info
31795 www.textalk.se - swedishO.K. O.K.
o
o
o
2a00:801:7:30::135more info
31943 www.imaa.cnr.it - italianO.K. O.K.
o
o
o
2a00:1620:90:2:150:145:70:23more info
32354 www.cs.unh.edu - englishO.K. O.K.
o
o
o
2606:4100:38c0:9::3more info
33422 www.dns.be - germanO.K. O.K.
o
o
o
2a02:6e0:0:2061::8 / 
2a02:6e0:0:2061::9		more info
33893 * www.uni-stuttgart.de - germanO.K. O.K.
o
o
o
2001:7c0:7c0:5:250:56ff:fe8e:47more info
34018 www.tre.se o swedishO.K. O.K.
o
o
o
2a00:1c50:2003::3:3more info
34708 * www.proxfree.com - englishO.K. O.K.
o
o
o
2607:f0d0:1003:b3::2more info
35344 www.irishwebmasterforum.com - englishunknown 403 Forbidden O.K.
o
o
o
more info
35839 * www.moneytalksnews.com - englishO.K. O.K.
o
o
o
more info
35960 www.apnic.net o englishO.K. O.K.
o
o
o
more info

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IPv6 Path MTU Discovery test environment



Sotohide Miyamoto