20.191.230.87 - Microsoft netblock but SpamCop sends reports to the spammer

[Snowbat]

20.180.0.0 - 20.191.255.255 is Microsoft but SpamCop reports 20.191.230.87 directly to the spammer via the broken "Using rdns to route to correct Microsoft department".

 

https://www.spamcop.net/sc?id=z6714487640z526f19cc83cdc7fb7921c835b3fb40d6z

Tracking message source: 20.191.230.87:

Routing details for 20.191.230.87
[refresh/show] Cached whois for 20.191.230.87 : abuse@microsoft.com
Using best contacts abuse@microsoft.com
Using rdns to route to correct Microsoft department
host 20.191.230.87 (getting name) no name
host 20.191.230.87 = protesto09.cartoriooficial.com. (old cache)
abuse net cartoriooficial.com = postmaster@cartoriooficial.com

 

If reported today, reports would be sent to:

Re: 20.191.230.87 (Administrator of network where email originates)

postmaster@cartoriooficial.com