If you are receiving email from a specific IP number and that number is listed on dnsbl.ascams.com there is a 100% chance of abuse (spam/scam/malware/abuse)
Percentage risk of abuse (spam/scam/malware/abuse) approximate/estimates:
superblock.ascams.com = 50+%
superblock.ascams.com and mix.ascams.com = 75+%
superblock.ascams.com & mix.ascams.com & block.ascams.com = 90+%
dnsbl.ascams.com = 100%