51.104.58.76 - Microsoft netblock but SpamCop sends reports to the spammer

[Snowbat]

51.103.0.0 - 51.105.255.255 is Microsoft but SpamCop reports 51.104.58.76 directly to the spammer via the broken "Using rdns to route to correct Microsoft department".

https://www.spamcop.net/sc?id=z6731564303z7e2888aba94e2ba0c94ef2df13c95c5dz
Tracking message source: 51.104.58.76:

Routing details for 51.104.58.76
[refresh/show] Cached whois for 51.104.58.76 : abuse@microsoft.com
Using best contacts abuse@microsoft.com
Using rdns to route to correct Microsoft department
host 51.104.58.76 (getting name) no name
host 51.104.58.76 = naopqw8.acimajudicialavisos.org. (old cache)
abuse net naopqw8.acimajudicialavisos.org = postmaster@acimajudicialavisos.org, postmaster@naopqw8.acimajudicialavisos.org

 

If reported today, reports would be sent to:

Re: 51.104.58.76 (Administrator of network where email originates)

postmaster@naopqw8.acimajudicialavisos.org
postmaster@acimajudicialavisos.org