EInfach nur das XXXXXX anpassen:

autodiscover             IN CNAME   autodiscover.outlook.com.
msoid                    IN CNAME   clientconfig.microsoftonline-p.net.
lyncdiscover             IN CNAME   webdir.online.lync.com.
sip                      IN CNAME   sipdir.online.lync.com.
enterpriseregistration IN  CNAME enterpriseregistration.windows.net.
enterpriseenrollment IN CNAME enterpriseenrollment.manage.microsoft.com.
@                        IN MX 10   XXXXXX.mail.protection.outlook.com.
_sipfederationtls._tcp       IN SRV     100 1 5061 sipfed.online.lync.com.
_sip._tls                IN SRV     100 1 443 sipdir.online.lync.com.
@                        IN TXT     "v=spf1 include:spf.protection.outlook.com -all"