diff --git a/core/admin/mailu/models.py b/core/admin/mailu/models.py
index 926ef2fc..45ec457c 100644
--- a/core/admin/mailu/models.py
+++ b/core/admin/mailu/models.py
@@ -232,9 +232,7 @@ class Domain(Base):
         """ return DKIM record for domain """
         if self.dkim_key:
             selector = app.config['DKIM_SELECTOR']
-            txt = f'v=DKIM1; k=rsa; p={self.dkim_publickey}'
-            record = ' '.join(f'"{txt[p:p+250]}"' for p in range(0, len(txt), 250))
-            return f'{selector}._domainkey.{self.name}. 600 IN TXT {record}'
+            return f'{selector}._domainkey.{self.name}. 600 IN TXT "v=DKIM1; k=rsa; p={self.dkim_publickey}"'
 
     @cached_property
     def dns_dmarc(self):
diff --git a/core/admin/mailu/ui/templates/domain/details.html b/core/admin/mailu/ui/templates/domain/details.html
index a58c4477..74657c28 100644
--- a/core/admin/mailu/ui/templates/domain/details.html
+++ b/core/admin/mailu/ui/templates/domain/details.html
@@ -36,10 +36,6 @@
   </td>
 </tr>
 {%- if domain.dkim_publickey %}
-<tr>
-  <th>{% trans %}DKIM public key{% endtrans %}</th>
-  <td>{{ macros.clip("dkim_key") }}<pre id="dkim_key" class="pre-config border bg-light">{{ domain.dkim_publickey }}</pre></td>
-</tr>
 <tr>
   <th>{% trans %}DNS DKIM entry{% endtrans %}</th>
   <td>{{ macros.clip("dns_dkim") }}<pre id="dns_dkim" class="pre-config border bg-light">{{ domain.dns_dkim }}</pre></td>
diff --git a/core/admin/mailu/ui/views/domains.py b/core/admin/mailu/ui/views/domains.py
index b03b96b0..6fb4410b 100644
--- a/core/admin/mailu/ui/views/domains.py
+++ b/core/admin/mailu/ui/views/domains.py
@@ -74,17 +74,22 @@ def domain_details(domain_name):
 @access.domain_admin(models.Domain, 'domain_name')
 def domain_download_zonefile(domain_name):
     domain = models.Domain.query.get(domain_name) or flask.abort(404)
-    final = domain.dns_mx+"\n"
-    final = final + domain.dns_spf+"\n"
+    res = [domain.dns_mx, domain.dns_spf]
     if domain.dkim_publickey:
-        final = final + domain.dkim_publickey+"\n"
-        final = final + domain.dns_dkim+"\n"
-        final = final + domain.dns_dmarc+"\n"
+        record = domain.dns_dkim.split('"', 1)[0].strip()
+        txt = f'v=DKIM1; k=rsa; p={domain.dkim_publickey}'
+        txt = ' '.join(f'"{txt[p:p+250]}"' for p in range(0, len(txt), 250))
+        res.append(f'{record} {txt}"')
+        res.append(domain.dns_dmarc)
     if domain.dns_tlsa:
-        final = final + domain.dns_tlsa
-    for i in domain.dns_autoconfig:
-        final = final + i+"\n"
-    return flask.Response(final,content_type="text/plain",headers={'Content-disposition': 'attachment; filename='+domain.name+'-zonefile.txt'})
+        res.append(domain.dns_tlsa)
+    res.extend(domain.dns_autoconfig)
+    res.append("")
+    return flask.Response(
+        "\n".join(res),
+        content_type="text/plain",
+        headers={"Content-disposition": f"attachment; filename={domain.name}-zonefile.txt"}
+    )
 
 
 @ui.route('/domain/genkeys/<domain_name>', methods=['GET', 'POST'])