You do not need to create additional DMARC records for subdomains for either DMARC policy or DMARC reporting, unless you want this subdomain to have different policy. Unlike SPF, DMARC acts for subdomains by default.
05.03.2018 10:37, boonhai....@infineon.com пишет: > > Hi Randal, > > > > If we have more 50 sub domains meaning we need to create 50 TXT > records? Anyway we can combine? > > > > *Thanks.* > > * * > > *Regards,* > > *Yeo* > > > > *From:*Yeo Boon Hai (IFMY IT OS IUC M) > *Sent:* Thursday, 22 February, 2018 9:25 AM > *To:* 'Randal Pinto' <ran...@redsift.io>; 'Vladimir Dubrovin' > <dubro...@corp.mail.ru> > *Cc:* 'dmarc-discuss@dmarc.org' <dmarc-discuss@dmarc.org> > *Subject:* RE: [dmarc-discuss] DMARC report to external domain > > > > Sorry, typo. > > > > *domain1.com._report._dmarc.domain3.com <http://dmarc.domain2.com>. > TXT "v=DMARC1"* > > *domain2.com._report._dmarc.domain3.com <http://dmarc.domain2.com>. > TXT "v=DMARC1"* > > > > > > > > *Thanks.* > > * * > > *Regards,* > > *YEo* > > > > *From:*Yeo Boon Hai (IFMY IT OS IUC M) > *Sent:* Thursday, 22 February, 2018 9:23 AM > *To:* 'Randal Pinto' <ran...@redsift.io <mailto:ran...@redsift.io>>; > Vladimir Dubrovin <dubro...@corp.mail.ru <mailto:dubro...@corp.mail.ru>> > *Cc:* dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org> > *Subject:* RE: [dmarc-discuss] DMARC report to external domain > > > > Hi all, > > > > Thank you for the sample. > > If I have more than 1 domains that need to send to same domain admin > so can I have multiple entries like below? > > > > *domain1.com._report._dmarc.domain2.com <http://dmarc.domain2.com>. > TXT "v=DMARC1"* > > *domain2.com._report._dmarc.domain2.com <http://dmarc.domain2.com>. > TXT "v=DMARC1"* > > > > > > > > *Thanks.* > > * * > > *Regards,* > > *Yeo* > > > > > > *From:*Randal Pinto [mailto:ran...@redsift.io] > *Sent:* Wednesday, 21 February, 2018 6:40 PM > *To:* Vladimir Dubrovin <dubro...@corp.mail.ru > <mailto:dubro...@corp.mail.ru>> > *Cc:* Yeo Boon Hai (IFMY IT OS IUC M) <boonhai....@infineon.com > <mailto:boonhai....@infineon.com>>; dmarc-discuss@dmarc.org > <mailto:dmarc-discuss@dmarc.org> > *Subject:* Re: [dmarc-discuss] DMARC report to external domain > > > > You are correct Vladimir, I got the numbering incorrectly when trying > to craft the example. > > > > On 21 February 2018 at 10:07, Vladimir Dubrovin <dubro...@corp.mail.ru > <mailto:dubro...@corp.mail.ru>> wrote: > > > It's incorrect. If you want reports for domain1.com > <http://domain1.com> are sent to e-mail address in domain2.com > <http://domain2.com>, domain2.com <http://domain2.com> must > publish a record > > *domain1.com._report._dmarc.domain2.com > <http://dmarc.domain2.com>. TXT "v=DMARC1" > > *to indicate it's willing to receive the reports for domain1.com > <http://domain1.com> > > > > > > 21.02.2018 12:51, Randal Pinto via dmarc-discuss пишет: > > Hello Yeo, > > > > If you want *domain1.com <http://domain1.com>* to report to > *domain2.com <http://domain2.com>* you have to add the > following DNS entry to *domain1.com <http://domain1.com>*: > > > > Name: *domain2.com._report._dmarc* > > Value: *"v=DMARC1;"* > > > > This will authorise *domain2.com <http://domain2.com>* to > receive DMARC reports on behalf of *domain1.com > <http://domain1.com>* > > > > Best, > > Randal > > > > > > On 21 February 2018 at 09:29, Yeo via dmarc-discuss > <dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org>> wrote: > > Hi all, > > > > I would like to change the DMARC report to my another > domain IT support to check. > > After I changed, I noticed it failed the DMARC external > validation. L > > > > When a report generator has an aggregate report to send to > example.com <http://example.com>, it will consult > example.com <http://example.com>‘s DMARC record and > extract the address above. Since the domain in that > address is not example.com <http://example.com> or its > organizational domain > <https://dmarc.org/wiki/Glossary#Organizational_Domain>, > it would have to make an authorization check first. It > would take that domain the report is for (example.com > <http://example.com>), and the domain that the rua field > references (otherdomain.com <http://otherdomain.com>), and > construct a new name like this: > > > > “example.com._report._dmarc.otherdomain.com > <http://dmarc.otherdomain.com>” > > > > May I know how to create the this DNS record? Any sample? > > > > *Thanks.* > > * * > > *Regards,* > > *Yeo* > > > > > _______________________________________________ > dmarc-discuss mailing list > dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org> > http://www.dmarc.org/mailman/listinfo/dmarc-discuss > > NOTE: Participating in this list means you agree to the > DMARC Note Well terms (http://www.dmarc.org/note_well.html) > > > > > > -- > > Randal Pinto > > Founder & COO > > +447703108205 <tel:+447703108205> > > @randalpinto <https://twitter.com/randalpinto> > > > > *Red Sift > <https://redsift.com/?utm_source=rp&utm_medium=email_signature> > powers OnDMARC > <https://ondmarc.com/?utm_source=rp&utm_medium=email_signature>* > > 5th Floor, 43 Whitfield Street, W1T 4HD, London, UK. > > > > *News*: OnDMARC wins Cyber Security Start-Up of the Year > > <https://medium.com/postmasters/ondmarc-makes-its-mark-in-the-cyber-security-awards-2017-c512c1860f6d> > | OnDMARC > joins G-Cloud 9 > > <https://www.digitalmarketplace.service.gov.uk/g-cloud/services/856003973521292> > > > > _______________________________________________ > > dmarc-discuss mailing list > > dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org> > > http://www.dmarc.org/mailman/listinfo/dmarc-discuss > > > > NOTE: Participating in this list means you agree to the DMARC Note > Well terms (http://www.dmarc.org/note_well.html) > > > > -- > > Vladimir Dubrovin > > @Mail.Ru > > > > > > -- > > Randal Pinto > > Founder & COO > > +447703108205 <tel:+447703108205> > > @randalpinto <https://twitter.com/randalpinto> > > > > *Red Sift > <https://redsift.com/?utm_source=rp&utm_medium=email_signature> powers OnDMARC > <https://ondmarc.com/?utm_source=rp&utm_medium=email_signature>* > > 5th Floor, 43 Whitfield Street, W1T 4HD, London, UK. > > > > *News*: OnDMARC wins Cyber Security Start-Up of the Year > <https://medium.com/postmasters/ondmarc-makes-its-mark-in-the-cyber-security-awards-2017-c512c1860f6d> > | OnDMARC > joins G-Cloud 9 > <https://www.digitalmarketplace.service.gov.uk/g-cloud/services/856003973521292> > -- Vladimir Dubrovin @Mail.Ru
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