Strange sendmail behaviour after upgrade to 9.1-BETA2

[Pavel Timofeev]

2013/8/2 Ruben de Groot <mail25 at bzerk.org>:
> On Wed, Jul 31, 2013 at 04:54:08PM +0400, Pavel Timofeev typed:
>> I've just installed new fresh 9.2-BETA2 amd64 on another machine.
>> Same behaviour - Sendmail asks DNS only for AAAA record of mx server.
>> We don't use IPv6 in our company.
>>
>> 2013/7/31 Pavel Timofeev <timp87 at gmail.com>:
>> > I wanted to say that sendmail asks only AAAA (IPv6) record of mx
>> > server, but not A (IPv4).
>> > Any ideas?
>> >
>> > 2013/7/31 Pavel Timofeev <timp87 at gmail.com>:
>> >> Looks like my sendmail uses only IPv6 to resolve mx server dns name to
>> >> ip address.
>> >>
>> >> 14:59:50.793338 IP reticulum.xxx.ru.19032 > hercules.xxx.ru.domain:
>> >> 53417+ AAAA? xxx.ru. (24)
>> >>                                                    [13/98]
>> >> 14:59:50.793662 IP hercules.xxx.ru.domain > reticulum.xxx.ru.19032:
>> >> 53417* 0/1/0 (75)
>> >> 14:59:50.793696 IP reticulum.xxx.ru.55299 > hercules.xxx.ru.domain:
>> >> 53418+ A? xxx.ru. (24)
>
> Here it is definately asking an A record.

And? It's not A record of mx server.

>> >> 14:59:50.794087 IP hercules.xxx.ru.domain > reticulum.xxx.ru.55299:
>> >> 53418* 7/0/0 A 192.168.2.11, A 192.168.2.12, A 192.168.41.4, A
>> >> 192.168.14.12, A 192.168.34.100, A 192.168.34.110, A 192.168.44.19
>> >>  (136)
>
> And here is the reply. The quetion is more why is it repeating the same
> query (below) over and over.

Yes, reply about xxx.ru, not about mx server's IP which is kalmar.xxx.ru

>
> Ruben
>
>> >> 14:59:50.973445 IP reticulum.xxx.ru.29244 > hercules.xxx.ru.domain:
>> >> 53419+ MX? xxx.ru. (24)
>> >> 14:59:50.973754 IP hercules.xxx.ru.domain > reticulum.xxx.ru.29244:
>> >> 53419* 1/0/1 MX kalmar.xxx.ru. 10 (63)
>> >> 14:59:50.974061 IP reticulum.xxx.ru.56461 > hercules.xxx.ru.domain:
>> >> 53420+ AAAA? kalmar.xxx.ru. (31)
>> >> 14:59:50.974340 IP hercules.xxx.ru.domain > reticulum.xxx.ru.56461:
>> >> 53420* 0/1/0 (82)
>> >> 14:59:50.974570 IP reticulum.xxx.ru.28332 > hercules.xxx.ru.domain:
>> >> 53421+ AAAA? kalmar.xxx.ru. (31)
>> >> 14:59:50.974887 IP hercules.xxx.ru.domain > reticulum.xxx.ru.28332:
>> >> 53421* 0/1/0 (82)
>> >> 14:59:50.974919 IP reticulum.xxx.ru.21453 > hercules.xxx.ru.domain:
>> >> 53422+ AAAA? kalmar. (24)
>> >> 14:59:50.975290 IP hercules.xxx.ru.domain > reticulum.xxx.ru.21453:
>> >> 53422 ServFail 0/0/0 (24)
>> >> 14:59:50.975314 IP reticulum.xxx.ru.63038 > hercules.xxx.ru.domain:
>> >> 53422+ AAAA? kalmar. (24)
>> >> 14:59:50.975674 IP hercules.xxx.ru.domain > reticulum.xxx.ru.63038:
>> >> 53422 ServFail 0/0/0 (24)
>> >> 14:59:50.975749 IP reticulum.xxx.ru.38393 > hercules.xxx.ru.domain:
>> >> 53423+ AAAA? kalmar.xxx.ru. (31)
>> >> 14:59:50.976105 IP hercules.xxx.ru.domain > reticulum.xxx.ru.38393:
>> >> 53423* 0/1/0 (82)
>> >> 14:59:50.976176 IP reticulum.xxx.ru.45558 > hercules.xxx.ru.domain:
>> >> 53424+ AAAA? kalmar. (24)
>> >> 14:59:50.976483 IP hercules.xxx.ru.domain > reticulum.xxx.ru.45558:
>> >> 53424 ServFail 0/0/0 (24)
>> >> 14:59:50.976512 IP reticulum.xxx.ru.45297 > hercules.xxx.ru.domain:
>> >> 53424+ AAAA? kalmar. (24)
>> >> 14:59:50.976864 IP hercules.xxx.ru.domain > reticulum.xxx.ru.45297:
>> >> 53424 ServFail 0/0/0 (24)
>> >>
>> >> How to force it to use IPv4?
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