diff --git a/changelogs/fragments/63408-nsupdate-dont-fix-none-txt-value.yaml b/changelogs/fragments/63408-nsupdate-dont-fix-none-txt-value.yaml
new file mode 100644
index 00000000000..860447580f7
--- /dev/null
+++ b/changelogs/fragments/63408-nsupdate-dont-fix-none-txt-value.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+  - nsupdate - Do not try fixing non-existing TXT values (https://github.com/ansible/ansible/issues/63364)
diff --git a/lib/ansible/modules/net_tools/nsupdate.py b/lib/ansible/modules/net_tools/nsupdate.py
index 93350195225..59f29aa293b 100644
--- a/lib/ansible/modules/net_tools/nsupdate.py
+++ b/lib/ansible/modules/net_tools/nsupdate.py
@@ -232,7 +232,7 @@ class RecordManager(object):
         else:
             self.algorithm = module.params['key_algorithm']
 
-        if self.module.params['type'].lower() == 'txt':
+        if self.module.params['type'].lower() == 'txt' and self.module.params['value'] is not None:
             self.value = list(map(self.txt_helper, self.module.params['value']))
         else:
             self.value = self.module.params['value']