diff --git a/src/registrar/models/domain.py b/src/registrar/models/domain.py
index 4ba2ae3d4..78aecb927 100644
--- a/src/registrar/models/domain.py
+++ b/src/registrar/models/domain.py
@@ -229,44 +229,6 @@ class Domain(TimeStampedModel, DomainHelper):
         """
         raise NotImplementedError()
 
-    @Cache
-    def format_nameservers(self):
-        """
-        Formatting nameservers for display for this domain.
-
-        Hosts are provided as a list of tuples, e.g.
-
-            [("ns1.example.com",), ("ns1.example.gov", ["0.0.0.0"])]
-
-        We want to display as:
-            ns1.example.gov
-            ns1.example.gov (0.0.0.0)
-
-        Subordinate hosts (something.your-domain.gov) MUST have IP addresses,
-        while non-subordinate hosts MUST NOT.
-
-
-        """
-        try:
-            hosts = self._get_property("hosts")
-        except Exception as err:
-            # Do not raise error when missing nameservers
-            # this is a standard occurence when a domain
-            # is first created
-            logger.info("Domain is missing nameservers %s" % err)
-            return []
-
-        hostList = []
-        for host in hosts:
-            # can remove str conversion when EPP.IP address display
-            # changes from IP object -> IP address
-            host_addrs_stringified = [str(addr) for addr in host["addrs"]]
-            host_addrs_str = f'({", ".join(obj for obj in host_addrs_stringified)})'
-            host_info_str = f'{host["name"]} \
-            {host_addrs_str if len(host["addrs"]) > 0 else ""}'
-            hostList.append(host_info_str)
-        return hostList
-
     @Cache
     def nameservers(self) -> list[tuple[str, list]]:
         """
diff --git a/src/registrar/templates/includes/summary_item.html b/src/registrar/templates/includes/summary_item.html
index 63eb62fb4..f5b6c609d 100644
--- a/src/registrar/templates/includes/summary_item.html
+++ b/src/registrar/templates/includes/summary_item.html
@@ -57,11 +57,14 @@
             {% if users %}
               <li>{{ item.user.email }}</li>
             {% elif domains %}
-              <li>{{ item.0 }}
+              <li>
+                {{ item.0 }}
                 {% if item.1 %}
-                ({% for addr in item.1 %}
-                  {{addr}}
-                {% endfor %})
+                  ({% spaceless %}
+                  {% for addr in item.1 %}
+                    {{addr}}{% if not forloop.last %}, {% endif %}
+                  {% endfor %}
+                  {% endspaceless %})
                 {% endif %}
               </li>
             {% else %}