VERSION

@@ -1 +1 @@
-1.4.2
+1.4.1

functions/common.go

@@ -1,6 +1,9 @@
 package functions
 
 import (
+	"fmt"
+	"net"
+	"os"
 	"strings"
 
 	"golang.org/x/text/cases"
@@ -15,3 +18,40 @@ func Title(s string) string {
 func Split(sep, s string) []string {
 	return strings.Split(s, sep)
 }
+
+// getDomainName attempts to find the domain name of the host.
+// It returns the domain name if found, otherwise an error.
+func getDomainName() (string, error) {
+	// Get the hostname
+	hostname, err := os.Hostname()
+	if err != nil {
+		return "", fmt.Errorf("error getting hostname: %v", err)
+	}
+
+	// Lookup IP addresses associated with the hostname
+	ips, err := net.LookupIP(hostname)
+	if err != nil {
+		return "", fmt.Errorf("error looking up IP addresses for hostname %s: %v", hostname, err)
+	}
+
+	for _, ip := range ips {
+		// Perform a reverse lookup to find the FQDN
+		names, err := net.LookupAddr(ip.String())
+		if err != nil {
+			// If there's an error, continue to the next IP
+			continue
+		}
+
+		for _, name := range names {
+			cleanName := strings.TrimSuffix(name, ".")
+			return cleanName, nil
+		}
+	}
+
+	return "", fmt.Errorf("domain name not found for host: %s", hostname)
+}
+
+func GetDomainName() string {
+	domain, _ := getDomainName()
+	return domain
+}

functions/getdomain.go

@@ -1,18 +0,0 @@
-package functions
-
-import (
-	"os"
-	"strings"
-)
-
-func GetDomainName() string {
-	hostname, err := os.Hostname()
-	if err != nil {
-		return "exmaple.ir"
-	}
-	parts := strings.Split(hostname, ".")
-	if len(parts) < 2 {
-		return "exmaple.ir"
-	}
-	return strings.Join(parts[1:], ".")
-}