diff --git a/hack/go-genmock.sh b/hack/go-genmock.sh
index 8214e8d68b5..37ca553b91c 100755
--- a/hack/go-genmock.sh
+++ b/hack/go-genmock.sh
@@ -2,7 +2,7 @@
 # Example:  ./hack/go-genmock.sh
 
 if [ "$IS_CONTAINER" != "" ]; then
-  go generate ./pkg/... "${@}"
+  go generate ./pkg/asset/installconfig/... "${@}"
 else
   podman build -t openshift-install-mock ./images/mock
   podman run --rm \
diff --git a/pkg/asset/installconfig/gcp/.mock/gcpclient_generated.go b/pkg/asset/installconfig/gcp/.mock/gcpclient_generated.go
deleted file mode 100644
index 452e381bf57..00000000000
--- a/pkg/asset/installconfig/gcp/.mock/gcpclient_generated.go
+++ /dev/null
@@ -1,111 +0,0 @@
-// Code generated by MockGen. DO NOT EDIT.
-// Source: ./client.go
-
-// Package mock is a generated GoMock package.
-package mock
-
-import (
-	context "context"
-	gomock "github.com/golang/mock/gomock"
-	compute "google.golang.org/api/compute/v1"
-	dns "google.golang.org/api/dns/v1"
-	reflect "reflect"
-)
-
-// MockAPI is a mock of API interface.
-type MockAPI struct {
-	ctrl     *gomock.Controller
-	recorder *MockAPIMockRecorder
-}
-
-// MockAPIMockRecorder is the mock recorder for MockAPI.
-type MockAPIMockRecorder struct {
-	mock *MockAPI
-}
-
-// NewMockAPI creates a new mock instance.
-func NewMockAPI(ctrl *gomock.Controller) *MockAPI {
-	mock := &MockAPI{ctrl: ctrl}
-	mock.recorder = &MockAPIMockRecorder{mock}
-	return mock
-}
-
-// EXPECT returns an object that allows the caller to indicate expected use.
-func (m *MockAPI) EXPECT() *MockAPIMockRecorder {
-	return m.recorder
-}
-
-// GetNetwork mocks base method.
-func (m *MockAPI) GetNetwork(ctx context.Context, network, project string) (*compute.Network, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetNetwork", ctx, network, project)
-	ret0, _ := ret[0].(*compute.Network)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetNetwork indicates an expected call of GetNetwork.
-func (mr *MockAPIMockRecorder) GetNetwork(ctx, network, project interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetNetwork", reflect.TypeOf((*MockAPI)(nil).GetNetwork), ctx, network, project)
-}
-
-// GetPublicDomains mocks base method.
-func (m *MockAPI) GetPublicDomains(ctx context.Context, project string) ([]string, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetPublicDomains", ctx, project)
-	ret0, _ := ret[0].([]string)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetPublicDomains indicates an expected call of GetPublicDomains.
-func (mr *MockAPIMockRecorder) GetPublicDomains(ctx, project interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPublicDomains", reflect.TypeOf((*MockAPI)(nil).GetPublicDomains), ctx, project)
-}
-
-// GetPublicDNSZone mocks base method.
-func (m *MockAPI) GetPublicDNSZone(ctx context.Context, baseDomain, project string) (*dns.ManagedZone, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetPublicDNSZone", ctx, baseDomain, project)
-	ret0, _ := ret[0].(*dns.ManagedZone)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetPublicDNSZone indicates an expected call of GetPublicDNSZone.
-func (mr *MockAPIMockRecorder) GetPublicDNSZone(ctx, baseDomain, project interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPublicDNSZone", reflect.TypeOf((*MockAPI)(nil).GetPublicDNSZone), ctx, baseDomain, project)
-}
-
-// GetSubnetworks mocks base method.
-func (m *MockAPI) GetSubnetworks(ctx context.Context, network, project, region string) ([]*compute.Subnetwork, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetSubnetworks", ctx, network, project, region)
-	ret0, _ := ret[0].([]*compute.Subnetwork)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetSubnetworks indicates an expected call of GetSubnetworks.
-func (mr *MockAPIMockRecorder) GetSubnetworks(ctx, network, project, region interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSubnetworks", reflect.TypeOf((*MockAPI)(nil).GetSubnetworks), ctx, network, project, region)
-}
-
-// GetListOfProjects mocks base method.
-func (m *MockAPI) GetListOfProjects(ctx context.Context) (map[string]string, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetListOfProjects", ctx)
-	ret0, _ := ret[0].(map[string]string)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetListOfProjects indicates an expected call of GetListOfProjects.
-func (mr *MockAPIMockRecorder) GetListOfProjects(ctx interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetListOfProjects", reflect.TypeOf((*MockAPI)(nil).GetListOfProjects), ctx)
-}
diff --git a/pkg/asset/installconfig/gcp/client.go b/pkg/asset/installconfig/gcp/client.go
index dd19d5587f5..61d7cd02b75 100644
--- a/pkg/asset/installconfig/gcp/client.go
+++ b/pkg/asset/installconfig/gcp/client.go
@@ -13,15 +13,16 @@ import (
 	"google.golang.org/api/option"
 )
 
-//go:generate mockgen -source=./client.go -destination=.mock/gcpclient_generated.go -package=mock
+//go:generate mockgen -source=./client.go -destination=./mock/gcpclient_generated.go -package=mock
 
 // API represents the calls made to the API.
 type API interface {
 	GetNetwork(ctx context.Context, network, project string) (*compute.Network, error)
 	GetPublicDomains(ctx context.Context, project string) ([]string, error)
-	GetPublicDNSZone(ctx context.Context, baseDomain, project string) (*dns.ManagedZone, error)
+	GetPublicDNSZone(ctx context.Context, project, baseDomain string) (*dns.ManagedZone, error)
 	GetSubnetworks(ctx context.Context, network, project, region string) ([]*compute.Subnetwork, error)
 	GetProjects(ctx context.Context) (map[string]string, error)
+	GetRecordSets(ctx context.Context, project, zone string) ([]*dns.ResourceRecordSet, error)
 }
 
 // Client makes calls to the GCP API.
@@ -95,7 +96,9 @@ func (c *Client) GetPublicDNSZone(ctx context.Context, project, baseDomain strin
 	if err != nil {
 		return nil, err
 	}
-
+	if !strings.HasSuffix(baseDomain, ".") {
+		baseDomain = fmt.Sprintf("%s.", baseDomain)
+	}
 	req := svc.ManagedZones.List(project).DnsName(baseDomain).Context(ctx)
 	var res *dns.ManagedZone
 	if err := req.Pages(ctx, func(page *dns.ManagedZonesListResponse) error {
@@ -114,6 +117,27 @@ func (c *Client) GetPublicDNSZone(ctx context.Context, project, baseDomain strin
 	return res, nil
 }
 
+// GetRecordSets returns all the records for a DNS zone.
+func (c *Client) GetRecordSets(ctx context.Context, project, zone string) ([]*dns.ResourceRecordSet, error) {
+	ctx, cancel := context.WithTimeout(context.TODO(), 1*time.Minute)
+	defer cancel()
+
+	svc, err := c.getDNSService(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	req := svc.ResourceRecordSets.List(project, zone).Context(ctx)
+	var rrSets []*dns.ResourceRecordSet
+	if err := req.Pages(ctx, func(page *dns.ResourceRecordSetsListResponse) error {
+		rrSets = append(rrSets, page.Rrsets...)
+		return nil
+	}); err != nil {
+		return nil, err
+	}
+	return rrSets, nil
+}
+
 // GetSubnetworks uses the GCP Compute Service API to retrieve all subnetworks in a given network.
 func (c *Client) GetSubnetworks(ctx context.Context, network, project, region string) ([]*compute.Subnetwork, error) {
 	ctx, cancel := context.WithTimeout(ctx, 1*time.Minute)
diff --git a/pkg/asset/installconfig/gcp/dns.go b/pkg/asset/installconfig/gcp/dns.go
index 590c86ab9c3..06f44602931 100644
--- a/pkg/asset/installconfig/gcp/dns.go
+++ b/pkg/asset/installconfig/gcp/dns.go
@@ -2,9 +2,7 @@ package gcp
 
 import (
 	"context"
-	"fmt"
 	"sort"
-	"strings"
 	"time"
 
 	"github.com/pkg/errors"
@@ -23,10 +21,6 @@ func GetPublicZone(ctx context.Context, project, baseDomain string) (*dns.Manage
 	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
 	defer cancel()
 
-	if !strings.HasSuffix(baseDomain, ".") {
-		baseDomain = fmt.Sprintf("%s.", baseDomain)
-	}
-
 	dnsZone, err := client.GetPublicDNSZone(ctx, project, baseDomain)
 	if err != nil {
 		return nil, err
diff --git a/pkg/asset/installconfig/gcp/mock/gcpclient_generated.go b/pkg/asset/installconfig/gcp/mock/gcpclient_generated.go
index dce3baeb7e6..15a6649b0ab 100644
--- a/pkg/asset/installconfig/gcp/mock/gcpclient_generated.go
+++ b/pkg/asset/installconfig/gcp/mock/gcpclient_generated.go
@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: pkg/asset/installconfig/gcp/client.go
+// Source: ./client.go
 
 // Package mock is a generated GoMock package.
 package mock
@@ -7,50 +7,50 @@ package mock
 import (
 	context "context"
 	gomock "github.com/golang/mock/gomock"
-	v1 "google.golang.org/api/compute/v1"
-	v10 "google.golang.org/api/dns/v1"
+	compute "google.golang.org/api/compute/v1"
+	dns "google.golang.org/api/dns/v1"
 	reflect "reflect"
 )
 
-// MockAPI is a mock of API interface
+// MockAPI is a mock of API interface.
 type MockAPI struct {
 	ctrl     *gomock.Controller
 	recorder *MockAPIMockRecorder
 }
 
-// MockAPIMockRecorder is the mock recorder for MockAPI
+// MockAPIMockRecorder is the mock recorder for MockAPI.
 type MockAPIMockRecorder struct {
 	mock *MockAPI
 }
 
-// NewMockAPI creates a new mock instance
+// NewMockAPI creates a new mock instance.
 func NewMockAPI(ctrl *gomock.Controller) *MockAPI {
 	mock := &MockAPI{ctrl: ctrl}
 	mock.recorder = &MockAPIMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockAPI) EXPECT() *MockAPIMockRecorder {
 	return m.recorder
 }
 
-// GetNetwork mocks base method
-func (m *MockAPI) GetNetwork(ctx context.Context, network, project string) (*v1.Network, error) {
+// GetNetwork mocks base method.
+func (m *MockAPI) GetNetwork(ctx context.Context, network, project string) (*compute.Network, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetNetwork", ctx, network, project)
-	ret0, _ := ret[0].(*v1.Network)
+	ret0, _ := ret[0].(*compute.Network)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// GetNetwork indicates an expected call of GetNetwork
+// GetNetwork indicates an expected call of GetNetwork.
 func (mr *MockAPIMockRecorder) GetNetwork(ctx, network, project interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetNetwork", reflect.TypeOf((*MockAPI)(nil).GetNetwork), ctx, network, project)
 }
 
-// GetPublicDomains mocks base method
+// GetPublicDomains mocks base method.
 func (m *MockAPI) GetPublicDomains(ctx context.Context, project string) ([]string, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetPublicDomains", ctx, project)
@@ -59,43 +59,43 @@ func (m *MockAPI) GetPublicDomains(ctx context.Context, project string) ([]strin
 	return ret0, ret1
 }
 
-// GetPublicDomains indicates an expected call of GetPublicDomains
+// GetPublicDomains indicates an expected call of GetPublicDomains.
 func (mr *MockAPIMockRecorder) GetPublicDomains(ctx, project interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPublicDomains", reflect.TypeOf((*MockAPI)(nil).GetPublicDomains), ctx, project)
 }
 
-// GetPublicDNSZone mocks base method
-func (m *MockAPI) GetPublicDNSZone(ctx context.Context, baseDomain, project string) (*v10.ManagedZone, error) {
+// GetPublicDNSZone mocks base method.
+func (m *MockAPI) GetPublicDNSZone(ctx context.Context, baseDomain, project string) (*dns.ManagedZone, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetPublicDNSZone", ctx, baseDomain, project)
-	ret0, _ := ret[0].(*v10.ManagedZone)
+	ret0, _ := ret[0].(*dns.ManagedZone)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// GetPublicDNSZone indicates an expected call of GetPublicDNSZone
+// GetPublicDNSZone indicates an expected call of GetPublicDNSZone.
 func (mr *MockAPIMockRecorder) GetPublicDNSZone(ctx, baseDomain, project interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPublicDNSZone", reflect.TypeOf((*MockAPI)(nil).GetPublicDNSZone), ctx, baseDomain, project)
 }
 
-// GetSubnetworks mocks base method
-func (m *MockAPI) GetSubnetworks(ctx context.Context, network, project, region string) ([]*v1.Subnetwork, error) {
+// GetSubnetworks mocks base method.
+func (m *MockAPI) GetSubnetworks(ctx context.Context, network, project, region string) ([]*compute.Subnetwork, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetSubnetworks", ctx, network, project, region)
-	ret0, _ := ret[0].([]*v1.Subnetwork)
+	ret0, _ := ret[0].([]*compute.Subnetwork)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// GetSubnetworks indicates an expected call of GetSubnetworks
+// GetSubnetworks indicates an expected call of GetSubnetworks.
 func (mr *MockAPIMockRecorder) GetSubnetworks(ctx, network, project, region interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSubnetworks", reflect.TypeOf((*MockAPI)(nil).GetSubnetworks), ctx, network, project, region)
 }
 
-// GetProjects mocks base method
+// GetProjects mocks base method.
 func (m *MockAPI) GetProjects(ctx context.Context) (map[string]string, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetProjects", ctx)
@@ -104,8 +104,23 @@ func (m *MockAPI) GetProjects(ctx context.Context) (map[string]string, error) {
 	return ret0, ret1
 }
 
-// GetProjects indicates an expected call of GetProjects
+// GetProjects indicates an expected call of GetProjects.
 func (mr *MockAPIMockRecorder) GetProjects(ctx interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetProjects", reflect.TypeOf((*MockAPI)(nil).GetProjects), ctx)
 }
+
+// GetRecordSets mocks base method.
+func (m *MockAPI) GetRecordSets(ctx context.Context, project, zone string) ([]*dns.ResourceRecordSet, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetRecordSets", ctx, project, zone)
+	ret0, _ := ret[0].([]*dns.ResourceRecordSet)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetRecordSets indicates an expected call of GetRecordSets.
+func (mr *MockAPIMockRecorder) GetRecordSets(ctx, project, zone interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetRecordSets", reflect.TypeOf((*MockAPI)(nil).GetRecordSets), ctx, project, zone)
+}
diff --git a/pkg/asset/installconfig/gcp/validation.go b/pkg/asset/installconfig/gcp/validation.go
index 25e3b8d22fe..f441f14ddcc 100644
--- a/pkg/asset/installconfig/gcp/validation.go
+++ b/pkg/asset/installconfig/gcp/validation.go
@@ -2,10 +2,14 @@ package gcp
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net"
+	"net/http"
+	"strings"
 
 	compute "google.golang.org/api/compute/v1"
+	"google.golang.org/api/googleapi"
 	"k8s.io/apimachinery/pkg/util/validation/field"
 
 	"github.com/openshift/installer/pkg/types"
@@ -21,6 +25,41 @@ func Validate(client API, ic *types.InstallConfig) error {
 	return allErrs.ToAggregate()
 }
 
+// ValidatePreExitingPublicDNS ensure no pre-existing DNS record exists in the public
+// DNS zone for cluster's Kubernetes API.
+func ValidatePreExitingPublicDNS(client API, ic *types.InstallConfig) error {
+	// If this is an internal cluster, this check is not necessary
+	if ic.Publish == types.InternalPublishingStrategy {
+		return nil
+	}
+
+	record := fmt.Sprintf("api.%s.", strings.TrimSuffix(ic.ClusterDomain(), "."))
+
+	zone, err := client.GetPublicDNSZone(context.TODO(), ic.Platform.GCP.ProjectID, ic.BaseDomain)
+	if err != nil {
+		var gErr *googleapi.Error
+		if errors.As(err, &gErr) {
+			if gErr.Code == http.StatusNotFound {
+				return field.NotFound(field.NewPath("baseDomain"), fmt.Sprintf("DNS Zone (%s/%s)", ic.Platform.GCP.ProjectID, ic.BaseDomain))
+			}
+		}
+		return field.InternalError(field.NewPath("baseDomain"), err)
+	}
+
+	rrSets, err := client.GetRecordSets(context.TODO(), ic.Platform.GCP.ProjectID, zone.Name)
+	if err != nil {
+		return field.InternalError(field.NewPath("baseDomain"), err)
+	}
+
+	for _, r := range rrSets {
+		if strings.EqualFold(r.Name, record) {
+			return field.Invalid(field.NewPath("metadata", "name"), ic.ObjectMeta.Name, fmt.Sprintf("record %s already exists in DNS Zone (%s/%s) and might be in use by another cluster, please remove it to continue", record, ic.Platform.GCP.ProjectID, zone.Name))
+		}
+	}
+
+	return nil
+}
+
 func validateProject(client API, ic *types.InstallConfig, fieldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 
diff --git a/pkg/asset/installconfig/gcp/validation_test.go b/pkg/asset/installconfig/gcp/validation_test.go
index 0f1922c7b2d..f390d81679c 100644
--- a/pkg/asset/installconfig/gcp/validation_test.go
+++ b/pkg/asset/installconfig/gcp/validation_test.go
@@ -8,6 +8,8 @@ import (
 	"github.com/golang/mock/gomock"
 	"github.com/stretchr/testify/assert"
 	compute "google.golang.org/api/compute/v1"
+	dns "google.golang.org/api/dns/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	"github.com/openshift/installer/pkg/asset/installconfig/gcp/mock"
 	"github.com/openshift/installer/pkg/ipnet"
@@ -183,3 +185,47 @@ func TestGCPInstallConfigValidation(t *testing.T) {
 		})
 	}
 }
+
+func TestValidatePreExitingPublicDNS(t *testing.T) {
+	cases := []struct {
+		name    string
+		records []*dns.ResourceRecordSet
+		err     string
+	}{{
+		name:    "no pre-existing",
+		records: nil,
+	}, {
+		name:    "no pre-existing",
+		records: []*dns.ResourceRecordSet{{Name: "api.another-cluster-name.base-domain."}},
+	}, {
+		name:    "pre-existing",
+		records: []*dns.ResourceRecordSet{{Name: "api.cluster-name.base-domain."}},
+		err:     `^metadata\.name: Invalid value: "cluster-name": record api\.cluster-name\.base-domain\. already exists in DNS Zone \(project-id/zone-name\) and might be in use by another cluster, please remove it to continue$`,
+	}, {
+		name:    "pre-existing",
+		records: []*dns.ResourceRecordSet{{Name: "api.cluster-name.base-domain."}, {Name: "api.cluster-name.base-domain."}},
+		err:     `^metadata\.name: Invalid value: "cluster-name": record api\.cluster-name\.base-domain\. already exists in DNS Zone \(project-id/zone-name\) and might be in use by another cluster, please remove it to continue$`,
+	}}
+
+	for _, test := range cases {
+		t.Run(test.name, func(t *testing.T) {
+			mockCtrl := gomock.NewController(t)
+			defer mockCtrl.Finish()
+			gcpClient := mock.NewMockAPI(mockCtrl)
+
+			gcpClient.EXPECT().GetPublicDNSZone(gomock.Any(), "project-id", "base-domain").Return(&dns.ManagedZone{Name: "zone-name"}, nil).AnyTimes()
+			gcpClient.EXPECT().GetRecordSets(gomock.Any(), gomock.Eq("project-id"), gomock.Eq("zone-name")).Return(test.records, nil).AnyTimes()
+
+			err := ValidatePreExitingPublicDNS(gcpClient, &types.InstallConfig{
+				ObjectMeta: metav1.ObjectMeta{Name: "cluster-name"},
+				BaseDomain: "base-domain",
+				Platform:   types.Platform{GCP: &gcp.Platform{ProjectID: "project-id"}},
+			})
+			if test.err == "" {
+				assert.NoError(t, err)
+			} else {
+				assert.Regexp(t, test.err, err)
+			}
+		})
+	}
+}
diff --git a/pkg/asset/installconfig/platformprovisioncheck.go b/pkg/asset/installconfig/platformprovisioncheck.go
index 96522c92ad5..1639fe81372 100644
--- a/pkg/asset/installconfig/platformprovisioncheck.go
+++ b/pkg/asset/installconfig/platformprovisioncheck.go
@@ -1,10 +1,12 @@
 package installconfig
 
 import (
+	"context"
 	"fmt"
 
 	"github.com/openshift/installer/pkg/asset"
 	azconfig "github.com/openshift/installer/pkg/asset/installconfig/azure"
+	gcpconfig "github.com/openshift/installer/pkg/asset/installconfig/gcp"
 	vsconfig "github.com/openshift/installer/pkg/asset/installconfig/vsphere"
 	"github.com/openshift/installer/pkg/types/aws"
 	"github.com/openshift/installer/pkg/types/azure"
@@ -49,7 +51,16 @@ func (a *PlatformProvisionCheck) Generate(dependencies asset.Parents) error {
 		if err != nil {
 			return err
 		}
-	case aws.Name, baremetal.Name, gcp.Name, libvirt.Name, none.Name, openstack.Name, ovirt.Name:
+	case gcp.Name:
+		client, err := gcpconfig.NewClient(context.TODO())
+		if err != nil {
+			return err
+		}
+		err = gcpconfig.ValidatePreExitingPublicDNS(client, ic.Config)
+		if err != nil {
+			return err
+		}
+	case aws.Name, baremetal.Name, libvirt.Name, none.Name, openstack.Name, ovirt.Name:
 		// no special provisioning requirements to check
 	default:
 		err = fmt.Errorf("unknown platform type %q", platform)