Due diligence: who runs this and why should I trust them?
[1] - https://bgp.he.net/ip/84.200.69.80
https://lists.dns-oarc.net/pipermail/dns-operations/2014-Aug...
https://web.archive.org/web/20181229211752/https://iamonsys....
Quad9 seems to be a valid 501 org, there must be an equivalent in germany?