Also allow custom IPs and domains to be looked-up

README.md

@@ -4,6 +4,8 @@ A simple PHP script to tell a visitor's IP address and more information. This fi
 
 ## Plain return
 
+Example: [/][https://ip.nandus.net]
+
 When the script is properly installed, one can visit/curl/wget the website to just receive one's public IP address. This is very useful in combination with other scripts (check out my snap-dyndns packages for example).
 
 ```
@@ -13,6 +15,8 @@ max@laptop ~> wget -qO - ip.nandus.net
 
 ## Detailed return
 
+Example: [/myself](https://ip4.nandus.net/myself)
+
 Given the location of the script is `ip.example.com`, you can also receive more information about the HTTP headers or the IP's reverse lookup:
 
 ```
@@ -30,6 +34,17 @@ HOSTNAME: p5B3E4401.dip0.t-ipconnect.de
 IPv4 REVERSE LOOKUP: 91.62.68.1
 ```
 
+Additionally you will be given a whois output of your IP.
+
+## Custom DNS and IP lookup
+
+Example DNS: [/dns/example.com](https://ip.nandus.net/dns/example.com)
+Example IP: [/ip/8.8.8.8](https://ip.nandus.net/ip/8.8.8.8)
+
+You can also freely look up any hostname or IP. For domains, this will return a useful list of different DNS records (A, AAAA, NS, MX, TXT, SOA etc).
+
+You will also be given a whois output of the domain or IP.
+
 ## Ideal domain setup
 
 In order to use IPv4- and IPv6-only domains, you'll have to have control over the DNS nameserver records of your own domain.