CIRA is a organization, bound by Canadian privacy law (PIPEDA) .
If you have configured your system to use 3.3.3.3 as a DNS server: dns 3.3.3.3
The most common place you will actually find 3.3.3.3 is inside corporate or lab environments. Network engineers often use "easy" IPs for internal testing or as placeholder loopback addresses on hardware like Cisco or Juniper routers. CIRA is a organization, bound by Canadian privacy