220.127.116.11. is for blocking adult content and malware.
I’m looking at it for a small not-for-profit.
The fact that it is free is excellent - assuming it is sufficiently comprehensive compared to paid for services (opendns/umbrella)
What are the sources for the malware site blocklist?
What do you class as malware sites?
What are the sources for the adult content blocklist?
How often are the lists updated?