diff --git a/src/registrar/assets/sass/_theme/_register-form.scss b/src/registrar/assets/sass/_theme/_register-form.scss
index 7c93f0a10..41d2980e3 100644
--- a/src/registrar/assets/sass/_theme/_register-form.scss
+++ b/src/registrar/assets/sass/_theme/_register-form.scss
@@ -25,7 +25,7 @@
   }
 }
 
-h3.register-form-review-header {
+.register-form-review-header {
   color: color('primary-dark');
   margin-top: units(2);
   margin-bottom: 0;
diff --git a/src/registrar/templates/domain_base.html b/src/registrar/templates/domain_base.html
index 9a869ef42..b99b12740 100644
--- a/src/registrar/templates/domain_base.html
+++ b/src/registrar/templates/domain_base.html
@@ -54,7 +54,7 @@
 
         {% block domain_content %}
 
-        <h1 class="break-word">{{ domain.name }}</h1>
+        <h1 class="break-word">Domain Overview</h1>
 
         {% endblock %}  {# domain_content #}
       {% endif %}
diff --git a/src/registrar/templates/domain_detail.html b/src/registrar/templates/domain_detail.html
index 2e1d31d74..19f196e40 100644
--- a/src/registrar/templates/domain_detail.html
+++ b/src/registrar/templates/domain_detail.html
@@ -5,7 +5,7 @@
 {% block domain_content %}
   {{ block.super }}
   <div class="margin-top-4 tablet:grid-col-10">
-
+    <h2 class="text-bold text-primary-dark">{{ domain.name }}</h2>
     <div
         class="usa-summary-box dotgov-status-box padding-bottom-0 margin-top-3 padding-left-2{% if not domain.is_expired %}{% if domain.state == domain.State.UNKNOWN or domain.state == domain.State.DNS_NEEDED %} dotgov-status-box--action-need{% endif %}{% endif %}"
         role="region"
@@ -57,13 +57,20 @@
       {% include "includes/summary_item.html" with title='DNS name servers' domains='true' value=domain.nameservers list='true' edit_link=url editable=is_editable %}
     {% else %}
       {% if is_editable %}
-      <h2 class="margin-top-3"> DNS name servers </h2>
+      <h3 class="margin-top-3"> DNS name servers </h3>
       <p> No DNS name servers have been added yet. Before your domain can be used we’ll need information about your domain name servers.</p>
       <a class="usa-button margin-bottom-1" href="{{url}}"> Add DNS name servers </a>
       {% else %}
         {% include "includes/summary_item.html" with title='DNS name servers' domains='true' value='' edit_link=url editable=is_editable %}
       {% endif %}
     {% endif %}
+    
+    {% url 'domain-dns-dnssec' pk=domain.id as url %}
+    {% if domain.dnssecdata is not None %}
+      {% include "includes/summary_item.html" with title='DNSSEC' value='Enabled' edit_link=url editable=is_editable %}
+    {% else %}
+      {% include "includes/summary_item.html" with title='DNSSEC' value='Not Enabled' edit_link=url editable=is_editable %}
+    {% endif %}
 
     {% if portfolio and has_domains_portfolio_permission and request.user.has_view_suborganization %}
       {% url 'domain-suborganization' pk=domain.id as url %}
diff --git a/src/registrar/templates/includes/summary_item.html b/src/registrar/templates/includes/summary_item.html
index 6ec69b770..f69bbaf96 100644
--- a/src/registrar/templates/includes/summary_item.html
+++ b/src/registrar/templates/includes/summary_item.html
@@ -7,7 +7,7 @@
     {% if heading_level %}
       <{{ heading_level }}
     {% else %} 
-      <h2
+      <h3
     {% endif %} 
       class="summary-item__title
              font-sans-md
@@ -19,10 +19,10 @@
     {% if heading_level %}
       </{{ heading_level }}>
     {% else %} 
-      </h2>
+      </h3>
     {% endif %}
       {% if sub_header_text %}
-        <h3 class="register-form-review-header">{{ sub_header_text }}</h3>
+        <h4 class="register-form-review-header">{{ sub_header_text }}</h4>
       {% endif %}
       {% if address %}
         {% include "includes/organization_address.html" with organization=value %}