unbound_recursive_dns.md: Make some corrections (#2181)

* It's Cloudflare, not CloudFlare

 * Don't mismatch IPv4 addresses in the command output vs arguments

docs/guides/dns/unbound_recursive_dns.md

@@ -65,7 +65,7 @@ Replace `192.168.0.0/16` and `2001:db8::/64` with the subnets you are resolving
 
 - The `interface` denotes the interfaces (IPv4 or IPv6) you want to listen for DNS queries on. We are listening on all interfaces with `0.0.0.0` and `::`.
 - The `access-control` denotes which subnets (IPv4 or IPv6) you want to allow DNS queries from. We are allowing requests from `192.168.0.0/16` and `2001:db8::/64`.
-- The `forward-addr` defines the servers we will forward to. We are forwarding to CloudFlare's 1.1.1.1.
+- The `forward-addr` defines the servers we will forward to. We are forwarding to Cloudflare's 1.1.1.1.
 
 ## Enabling Unbound
 
@@ -82,8 +82,8 @@ Check DNS resolution with the `host` command:
 ```bash
 $ host google.com 172.20.0.100
 Using domain server:
-Name: 192.168.50.209
-Address: 192.168.50.209#53
+Name: 172.20.0.100
+Address: 172.20.0.100#53
 Aliases:
 
 google.com has address 142.251.215.238