Expand on the response about registrar and nameservers

* Return website for registrar
* Return IPv4 and IPv6 addresses for nameservers

test/fixtures/nameservers.yml

@@ -16,10 +16,20 @@ shop_ns2:
 
 airport_ns1:
   hostname: ns1.bestnames.test
+  ipv4:
+    - 192.0.2.2
+  ipv6:
+    - 2001:db8::2
   domain: airport
 
 airport_ns2:
   hostname: ns2.bestnames.test
+  ipv4:
+    - 192.0.2.0
+    - 192.0.2.3
+    - 192.0.2.1
+  ipv6:
+    - 2001:db8::1
   domain: airport
 
 metro_ns1:

test/fixtures/registrars.yml

@@ -11,6 +11,7 @@ bestnames:
   accounting_customer_code: bestnames
   language: en
   billing_email: billing@example.com
+  website: bestnames.test
 
 goodnames:
   name: Good Names
@@ -41,4 +42,4 @@ complete:
   language: en
   vat_no: US12345
   vat_rate: 0.05
-  billing_email: billing@bestnames.test
+  billing_email: billing@bestnames.test