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by andrewmcwatters 608 days ago
I’ll add: and if you lease a VPS, check out its address reputation and reverse DNS record.
2 comments

Isn't it pretty safe to just assume that any IP addresses belonging to public clouds, especially cheap ones, have bad reputations?
The individual IPs may not all have too bad reputation but you don't control who shares the block with you and don't have any control over new neighbors - and that is enough for some agressive organizations (Microsoft) to block you.
How?
I'm not the person you were replying to, but in the past, I've just used an IP reputation checking website, such as:

https://www.apivoid.com/tools/ip-reputation-check/

Website unusable: Captcha forever waits using latest Firefox on latest iPhone13/iOS 18.0
Find out the IP address of the machine hosting the domain, then do a reverse lookup on that IP address. It might show the last domain hosted on that IP address.

Using dig:

$>dig yourdomain.tld

1.2.3.4

$>dig -x 1.2.3.4

evilcorp.com