fix!: parse ttl correctly

pkg/dns/common.go

@@ -94,3 +94,12 @@ func EnsureDomainsResolveSameIPv4(domainName, server string) (string, error) {
 
 	return ipv4, nil
 }
+
+// GetTTL parses a ttl string into a duration
+func GetTTL(ttl string) (time.Duration, error) {
+	val, err := time.ParseDuration(ttl)
+	if err != nil {
+		return val, err
+	}
+	return val, nil
+}