diff --git a/client/src/pages/config/users/configman.jsx b/client/src/pages/config/users/configman.jsx
index 2ea4d0e..33c98a5 100644
--- a/client/src/pages/config/users/configman.jsx
+++ b/client/src/pages/config/users/configman.jsx
@@ -67,6 +67,7 @@ const ConfigManagement = () => {
           HTTPPort: config.HTTPConfig.HTTPPort,
           HTTPSPort: config.HTTPConfig.HTTPSPort,
           SSLEmail: config.HTTPConfig.SSLEmail,
+          UseWildcardCertificate: config.HTTPConfig.UseWildcardCertificate,
           HTTPSCertificateMode: config.HTTPConfig.HTTPSCertificateMode,
           DNSChallengeProvider: config.HTTPConfig.DNSChallengeProvider,
 
@@ -99,6 +100,7 @@ const ConfigManagement = () => {
                 HTTPPort: values.HTTPPort,
                 HTTPSPort: values.HTTPSPort,
                 SSLEmail: values.SSLEmail,
+                UseWildcardCertificate: values.UseWildcardCertificate,
                 HTTPSCertificateMode: values.HTTPSCertificateMode,
                 DNSChallengeProvider: values.DNSChallengeProvider,
               },
@@ -381,8 +383,13 @@ const ConfigManagement = () => {
                     ]}
                   />
 
-  {
-                    formik.values.HTTPSCertificateMode === "LETSENCRYPT" && (
+                  <CosmosCheckbox
+                    label={"Use Wildcard Certificate for *." + formik.values.Hostname}
+                    name="UseWildcardCertificate"
+                    formik={formik}
+                  />
+
+                  {formik.values.HTTPSCertificateMode === "LETSENCRYPT" && (
                       <CosmosInputText
                         name="SSLEmail"
                         label="Email address for Let's Encrypt"
diff --git a/client/src/pages/newInstall/newInstall.jsx b/client/src/pages/newInstall/newInstall.jsx
index ff0e3a2..8539ebb 100644
--- a/client/src/pages/newInstall/newInstall.jsx
+++ b/client/src/pages/newInstall/newInstall.jsx
@@ -14,7 +14,7 @@ import { useEffect, useState } from 'react';
 
 import * as API from '../../api';
 import { Formik } from 'formik';
-import { CosmosInputPassword, CosmosInputText, CosmosSelect } from '../config/users/formShortcuts';
+import { CosmosCheckbox, CosmosInputPassword, CosmosInputText, CosmosSelect } from '../config/users/formShortcuts';
 import AnimateButton from '../../components/@extended/AnimateButton';
 import { Box } from '@mui/system';
 // ================================|| LOGIN ||================================ //
@@ -224,7 +224,8 @@ const NewInstall = () => {
             <div>
             <Formik
                 initialValues={{
-                    HTTPSCertificateMode: "LETSENCRYPT"
+                    HTTPSCertificateMode: "LETSENCRYPT",
+                    UseWildcardCertificate: false,
                 }}
                 validationSchema={Yup.object().shape({
                         SSLEmail: Yup.string().when('HTTPSCertificateMode', {
@@ -253,6 +254,7 @@ const NewInstall = () => {
                             step: "3",
                             HTTPSCertificateMode: values.HTTPSCertificateMode,
                             SSLEmail: values.SSLEmail,
+                            UseWildcardCertificate: values.UseWildcardCertificate,
                             TLSKey: values.HTTPSCertificateMode === "PROVIDED" ? values.TLSKey : '',
                             TLSCert: values.HTTPSCertificateMode === "PROVIDED" ? values.TLSCert : '',
                             Hostname: values.Hostname,
@@ -321,11 +323,19 @@ const NewInstall = () => {
                             formik={formik}
                         />
 
+                        
+                        <CosmosCheckbox
+                            label={"Use Wildcard Certificate for *." + formik.values.Hostname}
+                            name="UseWildcardCertificate"
+                            formik={formik}
+                        />
+
                         {formik.errors.submit && (
                           <Grid item xs={12}>
                             <FormHelperText error>{formik.errors.submit}</FormHelperText>
                           </Grid>
                         )}
+
                         <AnimateButton>
                             <Button
                                 type="submit"
diff --git a/package.json b/package.json
index 7f82532..56455c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cosmos-server",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "",
   "main": "test-server.js",
   "bugs": {
diff --git a/src/httpServer.go b/src/httpServer.go
index 565d9bb..5066465 100644
--- a/src/httpServer.go
+++ b/src/httpServer.go
@@ -38,7 +38,7 @@ func startHTTPSServer(router *mux.Router, tlsCert string, tlsKey string) {
 
 	cfg := simplecert.Default
 
-	cfg.Domains = utils.GetAllHostnames()
+	cfg.Domains = utils.GetAllHostnames(false, false)
 	cfg.CacheDir = "/config/certificates"
 	cfg.SSLEmail = config.HTTPConfig.SSLEmail
 	cfg.HTTPAddress = "0.0.0.0:"+serverPortHTTP
@@ -153,7 +153,7 @@ func StartServer() {
 	var tlsCert = HTTPConfig.TLSCert
 	var tlsKey= HTTPConfig.TLSKey
 
-	domains := utils.GetAllHostnames()
+	domains := utils.GetAllHostnames(true, true)
 	oldDomains := baseMainConfig.HTTPConfig.TLSKeyHostsCached
 
 	NeedsRefresh := (tlsCert == "" || tlsKey == "") || !utils.StringArrayEquals(domains, oldDomains)
diff --git a/src/newInstall.go b/src/newInstall.go
index 268ace2..68bfed0 100644
--- a/src/newInstall.go
+++ b/src/newInstall.go
@@ -32,6 +32,7 @@ type NewInstallJSON struct {
 	Hostname string `json:"hostname"`
 	Step string `json:"step"`
 	SSLEmail string `json:"sslEmail",validate:"omitempty,email"`
+	UseWildcardCertificate bool `json:"useWildcardCertificate",validate:"omitempty"`
 }
 
 type AdminJSON struct {
@@ -106,6 +107,7 @@ func NewInstallRoute(w http.ResponseWriter, req *http.Request) {
 			// HTTPS Certificate Mode & Certs & Let's Encrypt
 			newConfig.HTTPConfig.HTTPSCertificateMode = request.HTTPSCertificateMode
 			newConfig.HTTPConfig.SSLEmail = request.SSLEmail
+			newConfig.HTTPConfig.UseWildcardCertificate = request.UseWildcardCertificate
 			newConfig.HTTPConfig.TLSCert = request.TLSCert
 			newConfig.HTTPConfig.TLSKey = request.TLSKey
 
diff --git a/src/utils/middleware.go b/src/utils/middleware.go
index 9a821cc..25b4316 100644
--- a/src/utils/middleware.go
+++ b/src/utils/middleware.go
@@ -181,7 +181,7 @@ func EnsureHostname(next http.Handler) http.Handler {
 			return
 		}
 
-		hostnames := GetAllHostnames()
+		hostnames := GetAllHostnames(false, false)
 
 		reqHostNoPort := strings.Split(r.Host, ":")[0]
 
@@ -212,7 +212,7 @@ func IsValidHostname(hostname string) bool {
 		return true
 	}
 
-	hostnames := GetAllHostnames()
+	hostnames := GetAllHostnames(false, false)
 
 	reqHostNoPort := strings.Split(hostname, ":")[0]
 
diff --git a/src/utils/types.go b/src/utils/types.go
index 628f429..71aff15 100644
--- a/src/utils/types.go
+++ b/src/utils/types.go
@@ -101,6 +101,7 @@ type HTTPConfig struct {
 	ProxyConfig ProxyConfig
 	Hostname string `validate:"required,excludesall=0x2C/ "`
 	SSLEmail string `validate:"omitempty,email"`
+	UseWildcardCertificate bool
 	AcceptAllInsecureHostname bool
 } 
 
diff --git a/src/utils/utils.go b/src/utils/utils.go
index de603c4..483db41 100644
--- a/src/utils/utils.go
+++ b/src/utils/utils.go
@@ -294,16 +294,29 @@ func RestartServer() {
 	os.Exit(0)
 }
 
-func GetAllHostnames() []string {
-	hostnames := []string{
-		GetMainConfig().HTTPConfig.Hostname,
+func GetAllHostnames(applyWildCard bool, removePorts bool) []string {
+	mainHostname := GetMainConfig().HTTPConfig.Hostname
+
+	if applyWildCard && MainConfig.HTTPConfig.UseWildcardCertificate {
+		mainHostname = "*." + mainHostname
+		Log("Using wildcard certificate for " + mainHostname + " and all subdomains.")
 	}
+
+	hostnames := []string{
+		mainHostname,
+	}
+
 	proxies := GetMainConfig().HTTPConfig.ProxyConfig.Routes
 	for _, proxy := range proxies {
 		if proxy.UseHost && proxy.Host != "" && strings.Contains(proxy.Host, ".") && !strings.Contains(proxy.Host, ",") && !strings.Contains(proxy.Host, " ") {
-			hostnames = append(hostnames, proxy.Host)
+			if removePorts {
+				hostnames = append(hostnames, strings.Split(proxy.Host, ":")[0])
+			} else {
+				hostnames = append(hostnames, proxy.Host)
+			}
 		}
 	}
+
 	// remove doubles
 	seen := make(map[string]bool)
 	uniqueHostnames := []string{}
@@ -313,6 +326,20 @@ func GetAllHostnames() []string {
 			uniqueHostnames = append(uniqueHostnames, hostname)
 		}
 	}
+
+	if applyWildCard && MainConfig.HTTPConfig.UseWildcardCertificate {
+		filteredHostnames := []string{
+			mainHostname,
+		}
+
+		for _, hostname := range uniqueHostnames {
+			if hostname != mainHostname && !strings.HasSuffix(hostname, mainHostname[1:]) {
+				filteredHostnames = append(filteredHostnames, hostname)
+			}
+		}
+		uniqueHostnames = filteredHostnames
+	}
+
 	Debug("Hostnames are " + strings.Join(uniqueHostnames, ", "))
 	return uniqueHostnames
 }