52.243.34.34 - "Using rdns to route to correct Microsoft department" but reports go to the spammer

[Snowbat]

52.224.0.0-52.255.255.255 is Microsoft but Spamcop reports 52.243.34.34 directly to the spammer. I've seen similar misreporting for other Microsoft-hosted spammers.

https://www.spamcop.net/sc?id=z6640814149z1c2164e3e761afd7d9d053e0ead1aef0z

 

Tracking message source: 52.243.34.34:

Routing details for 52.243.34.34
[refresh/show] Cached whois for 52.243.34.34 : abuse@microsoft.com
Using best contacts abuse@microsoft.com
Using rdns to route to correct Microsoft department
host 52.243.34.34 = id1.saudoemprimeirolugarfiqueemcasavendofilmes.com. (cached)
abuse net id1.saudoemprimeirolugarfiqueemcasavendofilmes.com = postmaster@saudoemprimeirolugarfiqueemcasavendofilmes.com, postmaster@id1.saudoemprimeirolugarfiqueemcasavendofilmes.com