Re: [swinog] PTR records with CNAME ?

2018-06-01 Diskussionsfäden Jeroen Massar
On 2018-05-31 17:55, Ralph Krämer wrote: > Per, > > I just want to throw in the following: > > In case you want to subdelegate a part of a PTR zone, this seems to be the > recommended way to do it: > > https://simpledns.com/kb/77/how-to-sub-delegate-a-reverse-zone > > jeroen, any comment on

Re: [swinog] PTR records with CNAME ?

2018-05-31 Diskussionsfäden Per Jessen
Tobi wrote: > Am 30.05.2018 um 17:35 schrieb Per Jessen: >> Okay, thanks for clarifying that - I was wondering. I don't why my >> postfixes come up with host name 'unknown'. > > afaik postfix logs "unknown" as well if it is not a FcrRDNS means the > hostname retrieved from a PTR query should

Re: [swinog] PTR records with CNAME ?

2018-05-31 Diskussionsfäden Ralph Krämer
Per, I just want to throw in the following: In case you want to subdelegate a part of a PTR zone, this seems to be the recommended way to do it: https://simpledns.com/kb/77/how-to-sub-delegate-a-reverse-zone jeroen, any comment on this? cheers Ralph - Am 30. Mai 2018 um 16:44 schrieb

Re: [swinog] PTR records with CNAME ?

2018-05-31 Diskussionsfäden Tobi
Am 30.05.2018 um 17:35 schrieb Per Jessen: > Okay, thanks for clarifying that - I was wondering. I don't why my > postfixes come up with host name 'unknown'. afaik postfix logs "unknown" as well if it is not a FcrRDNS means the hostname retrieved from a PTR query should forward resolve again to

Re: [swinog] PTR records with CNAME ?

2018-05-30 Diskussionsfäden Jeroen Massar
On 2018-05-30 17:35, Per Jessen wrote: > Jeroen Massar wrote: > >> On 2018-05-30 16:44, Per Jessen wrote: >>> According to RFC1034 and 2181, a PTR record using a CNAME is not >>> permitted. I believe this to still be correct, postfix certainly >>> doesn't work with a CNAME when it does a reverse

Re: [swinog] PTR records with CNAME ?

2018-05-30 Diskussionsfäden Per Jessen
Jeroen Massar wrote: > On 2018-05-30 16:44, Per Jessen wrote: >> According to RFC1034 and 2181, a PTR record using a CNAME is not >> permitted. I believe this to still be correct, postfix certainly >> doesn't work with a CNAME when it does a reverse lookup. > > Postfix certainly does as: > > $

Re: [swinog] PTR records with CNAME ?

2018-05-30 Diskussionsfäden Jeroen Massar
On 2018-05-30 16:44, Per Jessen wrote: > According to RFC1034 and 2181, a PTR record using a CNAME is not > permitted. I believe this to still be correct, postfix certainly > doesn't work with a CNAME when it does a reverse lookup. Postfix certainly does as: $ dig +short

[swinog] PTR records with CNAME ?

2018-05-30 Diskussionsfäden Per Jessen
According to RFC1034 and 2181, a PTR record using a CNAME is not permitted. I believe this to still be correct, postfix certainly doesn't work with a CNAME when it does a reverse lookup. Any comments? thanks. Per -- Per Jessen, Zürich (28.6°C) http://www.dns24.ch/ - free dynamic DNS,