diff --git a/api/urls.py b/api/urls.py
index ccf5776..40c4ca5 100644
--- a/api/urls.py
+++ b/api/urls.py
@@ -5,5 +5,9 @@ from . import views as api_views
 urlpatterns = [
 	url(r'asblock/free-as/$', api_views.asblockFreeAS, name='asblock-free-as'),
 	url(r'asblock/free-subnet/$', api_views.freeSubnet, name='inetnum-free-subnet'),
+	url(r'inetnum/get-subnet/$', api_views.getSubnet, name='inetnum-get-subnet'),
+
+	url(r'domain/check/$', api_views.checkDomain, name='domain-check'),
+	url(r'rzone/check/$', api_views.checkRzone, name='rzone-check'),
 
 ]
diff --git a/api/views.py b/api/views.py
index 0359f73..7b6a891 100644
--- a/api/views.py
+++ b/api/views.py
@@ -2,8 +2,11 @@
 from django.http import JsonResponse
 from django.core.exceptions import ValidationError
 from django.contrib.auth.views import login_required
+from django.db.models import Q
 
 from whoisdb.models import ASBlock, ASNumber, InetNum
+from domains.models import Domain, ReverseZone
+from dnmgmt.settings import TLD_NAMESERVERS
 
 @login_required
 def asblockFreeAS(request):
@@ -46,6 +49,8 @@ def asblockFreeAS(request):
 	except ValidationError as e:
 		ret["errorMsg"] = e.message
 	return JsonResponse(ret)
+
+
 @login_required
 def freeSubnet(request):
 
@@ -120,4 +125,75 @@ def freeSubnet(request):
 		ret["success"] = True
 	except ValidationError as e:
 		ret["errorMsg"] = e.message
+
+	return JsonResponse(ret)
+
+
+@login_required
+def getSubnet(request):
+
+	ret = {
+		"success": False,
+		"errorMsg": None,
+		"network": None,
+	}
+
+	try:
+		netName = request.GET.get('net', None)
+		mnts = request.user.maintainer_set.all()
+		nets = InetNum.objects.filter(Q(mnt_by__in=mnts) | Q(mnt_lower__in=mnts)).distinct()
+		net = nets.get(handle=netName)
+
+		ret["success"] = True
+		ret["network"] = net.prefix()
+	except InetNum.DoesNotExist:
+		ret["errorMsg"] = "Chosen network does not exist"
+
+	return JsonResponse(ret)
+
+
+@login_required
+def checkDomain(request):
+	ret = {
+		"success": False,
+		"errorMsg": None,
+		"domain": None,
+		"result": None,
+	}
+
+	try:
+		domainName = Domain.fixName(request.GET.get('domain', ''))
+		domain = Domain.objects.get(name=domainName)
+		if not domain.canEdit(request.user):
+			raise Domain.DoesNotExist()
+
+		ret["success"] = True
+		ret["domain"] = domain.name
+		ret["result"] = checkDomain(domain.name, TLD_NAMESERVERS, domain.nameservers.all())
+	except Domain.DoesNotExist:
+		ret["errorMsg"] = "Domain does not exist"
+
+	return JsonResponse(ret)
+
+@login_required
+def checkRzone(request):
+	ret = {
+		"success": False,
+		"errorMsg": None,
+		"domain": None,
+		"result": None,
+	}
+
+	try:
+		rzonePk = ReverseZone.fixName(request.GET.get('rzone', ''))
+		rzone = ReverseZone.objects.get(pk=rzonePk)
+		if not rzone.canEdit(request.user):
+			raise ReverseZone.DoesNotExist()
+
+		ret["success"] = True
+		ret["result"] = checkDomain(rzone.name, TLD_NAMESERVERS, rzone.nameservers.all())
+	except Domain.DoesNotExist:
+		ret["errorMsg"] = "ReverseZone does not exist"
+
 	return JsonResponse(ret)
+
diff --git a/dnmgmt/settings.py b/dnmgmt/settings.py
index f6b95df..ca9d2e9 100644
--- a/dnmgmt/settings.py
+++ b/dnmgmt/settings.py
@@ -16,6 +16,9 @@ from django.contrib import messages
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
+TLD_NAMESERVERS = [
+	'10.100.100.100',
+]
 
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
diff --git a/domains/models.py b/domains/models.py
index d8d609a..911a6c8 100644
--- a/domains/models.py
+++ b/domains/models.py
@@ -68,6 +68,12 @@ class Domain(MntdObject):
 
 		return reasons
 
+	@classmethod
+	def fixName(clazz, name):
+		if not name.endswith("."):
+			name += "."
+		return name.lower()
+
 
 class ReverseZone(WhoisObject):
 	handle = None
diff --git a/templates/domains/obj_create.html b/templates/domains/obj_create.html
index 691f4df..04538ef 100644
--- a/templates/domains/obj_create.html
+++ b/templates/domains/obj_create.html
@@ -17,5 +17,34 @@
 		</div>
 	</div>
 </div>
+
+<script>
+function getSubnet() {
+	var netInp = $('#div_id_prefix input');
+	netInp.val("");
+	netInp.attr("placeholder", "Getting network...");
+
+	var parentNetOpt = $('#id_parentNet option:selected');
+	if(parentNetOpt.val()) {
+		$.get("{% url "api:inetnum-get-subnet" %}", {net: parentNetOpt.text()}, function(data) {
+			if(data.success) {
+				netInp.attr("placeholder", "")
+				netInp.val(data.network);
+			} else {
+				errorMsg = "Nothing returned via API";
+				if(data.errorMsg)
+					errorMsg = data.errorMsg;
+				netInp.attr("placeholder", data.errorMsg);
+			}
+		});
+	} else {
+		netInp.attr("placeholder", "No Parent Range selected!");
+	}
+}
+
+$(document).ready(function() {
+	$('#div_id_prefix label').append(' <small>(<a onClick="getSubnet();">autofill network</a>)</small>');
+});
+</script>
 {% endblock %}