Hi Ceki, Sorry to bother you again...
Unfortunately, it seems that the same problem is occurring. Would you please investigate this? Regards, Takuma Tsutsumi 2017-03-31 8:37 GMT+09:00 Takuma Tsutsumi <[email protected]>: > Hi Ceki, > > Thank you for your response. > It seems to be working. > > Regards, > > Takuma Tsutsumi > > > 2017-03-31 14:09 GMT+09:00 Ceki Gulcu <[email protected]>: > >> >> >> I am afraid there is not much I can do regarding the DNS queries since >> the provider for the host which does not have an AAAA record does not >> support IPv6. Anyway, the router/IPv6 and the Apache/IPv6 issues have been >> fixed. >> >> Even http://ready.chair6.net/?url=https://logback.qos.ch seems happy. >> >> >> Best regards, >> >> -- >> Ceki >> >> >> On 3/30/2017 9:25 PM, Ceki Gulcu wrote: >> >>> Hi Takuma, >>> >>> >>> There were multiple issues involved. >>> >>> 1) There was a router issue which dropped all IPv6 packets. >>> 2) there are two DNS servers for the qos.ch domain. They are configured >>> differently. >>> 3) There is indeed an APache configuration problem which I am trying to >>> identify. >>> >>> -- >>> Ceki >>> >>> >>> On 3/30/2017 6:52 AM, Takuma Tsutsumi wrote: >>> >>>> Hi, >>>> >>>> If using a user-agent that prefer IPv6 such as the Squid proxy, a >>>> timeout may frequently occur on logback.qos.ch <http://logback.qos.ch>. >>>> >>>> It seems to me that the IPv6 site does not exist. >>>> References: >>>> - http://ready.chair6.net/?url=https://logback.qos.ch >>>> <http://ready.chair6.net/?url=https://logback.qos.ch> >>>> - http://ipv6-test.com/validate.php <http://ipv6-test.com/validate >>>> .php> >>>> >>>> In addition, it seems that AAAA records may not be returned depending on >>>> DNS query timing. >>>> ``` >>>> $ date; dig +noall +answer @8.8.8.8 <http://8.8.8.8> logback.qos.ch >>>> <http://logback.qos.ch> aaaa >>>> Thu Mar 30 22:34:03 DST 2017 >>>> logback.qos.ch <http://logback.qos.ch>. 279 IN CNAME >>>> yvo.qos.ch <http://yvo.qos.ch>. >>>> yvo.qos.ch <http://yvo.qos.ch>. 279 IN AAAA >>>> 2a02:121e:969:1:201:c0ff:fe1c:5f7c >>>> >>>> $ date; dig +noall +answer @8.8.8.8 <http://8.8.8.8> logback.qos.ch >>>> <http://logback.qos.ch> aaaa >>>> Thu Mar 30 22:34:05 DST 2017 >>>> logback.qos.ch <http://logback.qos.ch>. 299 IN CNAME >>>> te.qos.ch <http://te.qos.ch>. >>>> ``` >>>> >>>> Would you please investigate this? >>>> >>>> Regards, >>>> >>>> Takuma Tsutsumi >>>> >>>> >>>> >>>> _______________________________________________ >>>> logback-user mailing list >>>> [email protected] >>>> http://mailman.qos.ch/mailman/listinfo/logback-user >>>> >>>> _______________________________________________ >>> logback-user mailing list >>> [email protected] >>> http://mailman.qos.ch/mailman/listinfo/logback-user >>> >> _______________________________________________ >> logback-user mailing list >> [email protected] >> http://mailman.qos.ch/mailman/listinfo/logback-user >> > >
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