Cloudflare using 1.1.1.1 (Palo Alto recommended ipv4 DNS sinkhole IP)
Since PA recommends using 1.1.1.1 for DNS sinkholes I thought it would be interesting for those of us following this practice that Cloudflare is now using 1.1.1.1
https://www.theverge.com/2018/4/1/17185732/cloudflare-dns-service-1-1-1-1