diff --git a/PyFunceble/downloader/base.py b/PyFunceble/downloader/base.py
index e0af29fe..b2b6a88a 100644
--- a/PyFunceble/downloader/base.py
+++ b/PyFunceble/downloader/base.py
@@ -56,7 +56,6 @@
 
 import PyFunceble.downloader.exceptions
 import PyFunceble.exceptions
-import PyFunceble.factory
 import PyFunceble.storage
 from PyFunceble.helpers.dict import DictHelper
 from PyFunceble.helpers.download import DownloadHelper
@@ -271,6 +270,7 @@ def is_last_download_expired(self) -> bool:
 
         return False
 
+
     def start(self) -> None:
         """
         Starts the download process.
diff --git a/PyFunceble/query/dns/nameserver.py b/PyFunceble/query/dns/nameserver.py
index bbcfece9..11038d30 100644
--- a/PyFunceble/query/dns/nameserver.py
+++ b/PyFunceble/query/dns/nameserver.py
@@ -55,9 +55,9 @@
 import dns.exception
 import dns.resolver
 
+from PyFunceble.checker.syntax.ip import IPSyntaxChecker
 import PyFunceble.facility
 import PyFunceble.storage
-from PyFunceble.checker.syntax.domain import DomainSyntaxChecker
 from PyFunceble.converter.url2netloc import Url2Netloc
 
 
@@ -78,13 +78,13 @@ class Nameservers:
 
     protocol: Optional[str] = None
 
-    domain_syntax_checker: Optional[DomainSyntaxChecker] = None
+    ip_syntax_checker: Optional[IPSyntaxChecker] = None
     url2netloc: Url2Netloc = Url2Netloc()
 
     def __init__(
         self, nameserver: Optional[List[str]] = None, protocol: str = "TCP"
     ) -> None:
-        self.domain_syntax_checker = DomainSyntaxChecker()
+        self.ip_syntax_checker = IPSyntaxChecker()
         self.protocol = protocol
 
         if nameserver is not None:
@@ -139,7 +139,9 @@ def get_ip_from_nameserver(self, nameserver: str) -> List[str]:
 
         result = []
 
-        if self.domain_syntax_checker.set_subject(nameserver).is_valid():
+        if self.ip_syntax_checker.set_subject(nameserver).is_valid():
+            result.append(nameserver)
+        else:
             try:
                 result.extend(
                     [
@@ -159,8 +161,6 @@ def get_ip_from_nameserver(self, nameserver: str) -> List[str]:
                 )
             except dns.exception.DNSException:
                 pass
-        else:
-            result.append(nameserver)
 
         PyFunceble.facility.Logger.debug(
             "IP from nameserver (%r):\n%r", nameserver, result
diff --git a/tests/query/dnss/test_nameserver.py b/tests/query/dnss/test_nameserver.py
index f1b9f444..d394758a 100644
--- a/tests/query/dnss/test_nameserver.py
+++ b/tests/query/dnss/test_nameserver.py
@@ -259,7 +259,7 @@ def test_get_ip_from_nameserver_not_valid_domain(self) -> None:
 
         given = "example.funilrys"
 
-        expected = ["example.funilrys"]
+        expected = []
         actual = self.nameserver_provider.get_ip_from_nameserver(given)
 
         self.assertEqual(expected, actual)