diff --git a/powerdnsadmin/routes/admin.py b/powerdnsadmin/routes/admin.py
index f4ff840..8af3daa 100644
--- a/powerdnsadmin/routes/admin.py
+++ b/powerdnsadmin/routes/admin.py
@@ -183,7 +183,7 @@ def manage_user():
                 # Then delete the user
                 result = user.delete()
                 if result:
-                    history = History(msg='Delete username {0}'.format(data),
+                    history = History(msg='Delete user {0}'.format(data),
                                       created_by=current_user.username)
                     history.add()
                     return make_response(
diff --git a/powerdnsadmin/routes/index.py b/powerdnsadmin/routes/index.py
index 81008ee..2696866 100644
--- a/powerdnsadmin/routes/index.py
+++ b/powerdnsadmin/routes/index.py
@@ -158,6 +158,7 @@ def login():
         session['user_id'] = user.id
         login_user(user, remember=False)
         session['authentication_type'] = 'OAuth'
+        signin_history(user.username, 'Google OAuth', True)
         return redirect(url_for('index.index'))
 
     if 'github_token' in session:
@@ -184,6 +185,7 @@ def login():
         session['user_id'] = user.id
         session['authentication_type'] = 'OAuth'
         login_user(user, remember=False)
+        signin_history(user.username, 'Github OAuth', True)
         return redirect(url_for('index.index'))
 
     if 'azure_token' in session:
@@ -222,6 +224,7 @@ def login():
         session['user_id'] = user.id
         session['authentication_type'] = 'OAuth'
         login_user(user, remember=False)
+        signin_history(user.username, 'Azure OAuth', True)
         return redirect(url_for('index.index'))
 
     if 'oidc_token' in session:
@@ -247,6 +250,7 @@ def login():
         session['user_id'] = user.id
         session['authentication_type'] = 'OAuth'
         login_user(user, remember=False)
+        signin_history(user.username, 'OIDC OAuth', True)
         return redirect(url_for('index.index'))
 
     if request.method == 'GET':
@@ -269,6 +273,7 @@ def login():
             auth = user.is_validate(method=auth_method,
                                     src_ip=request.remote_addr)
             if auth == False:
+                signin_history(user.username, 'LOCAL', False)
                 return render_template('login.html',
                                        saml_enabled=SAML_ENABLED,
                                        error='Invalid credentials')
@@ -285,6 +290,7 @@ def login():
             if otp_token and otp_token.isdigit():
                 good_token = user.verify_totp(otp_token)
                 if not good_token:
+                    signin_history(user.username, 'LOCAL', False)
                     return render_template('login.html',
                                            saml_enabled=SAML_ENABLED,
                                            error='Invalid credentials')
@@ -294,6 +300,7 @@ def login():
                                        error='Token required')
 
         login_user(user, remember=remember_me)
+        signin_history(user.username, 'LOCAL', True)
         return redirect(session.get('next', url_for('index.index')))
 
 
@@ -306,6 +313,38 @@ def clear_session():
     logout_user()
 
 
+def signin_history(username, authenticator, success):
+    # Get user ip address
+    if request.headers.getlist("X-Forwarded-For"):
+        request_ip = request.headers.getlist("X-Forwarded-For")[0]
+        request_ip = request_ip.split(',')[0]
+    else:
+        request_ip = request.remote_addr
+
+    # Write log
+    str_success = 'succeeded' if success else 'failed'
+    if success:
+        str_success = 'succeeded'
+        current_app.logger.info(
+            "User {} authenticated successfully via {} from {}".format(
+                username, authenticator, request_ip))
+    else:
+        str_success = 'failed'
+        current_app.logger.warning(
+            "User {} failed to authenticate via {} from {}".format(
+                username, authenticator, request_ip))
+
+    # Write history
+    History(msg='User {} authentication {}'.format(username, str_success),
+            detail=str({
+                "username": username,
+                "authenticator": authenticator,
+                "ip_address": request_ip,
+                "success": 1 if success else 0
+            }),
+            created_by='System').add()
+
+
 @index_bp.route('/logout')
 def logout():
     if current_app.config.get(
@@ -465,7 +504,7 @@ def dyndns_update():
                 # Record content did not change, return 'nochg'
                 history = History(
                     msg=
-                    "DynDNS update: attempted update of {0} but record did not change"
+                    "DynDNS update: attempted update of {0} but record already up-to-date"
                     .format(hostname),
                     created_by=current_user.username)
                 history.add()
@@ -474,10 +513,14 @@ def dyndns_update():
                 result = r.update(domain.name, str(ip))
                 if result['status'] == 'ok':
                     history = History(
-                        msg=
-                        'DynDNS update: updated {0} record {1} in zone {2}, it changed from {3} to {4}'
-                        .format(rtype, hostname, domain.name, oldip, str(ip)),
-                        detail=str(result),
+                        msg='DynDNS update: updated {} successfully'.format(hostname),
+                        detail=str({
+                            "domain": domain.name,
+                            "record": hostname,
+                            "type": rtype,
+                            "old_value": oldip,
+                            "new_value": str(ip)
+                        }),
                         created_by=current_user.username)
                     history.add()
                     response = 'good'
@@ -510,9 +553,13 @@ def dyndns_update():
                 if result['status'] == 'ok':
                     history = History(
                         msg=
-                        'DynDNS update: created record {0} in zone {1}, it now represents {2}'
+                        'DynDNS update: created record {0} in zone {1} successfully'
                         .format(hostname, domain.name, str(ip)),
-                        detail=str(result),
+                        detail=str({
+                            "domain": domain.name,
+                            "record": hostname,
+                            "value": str(ip)
+                        }),
                         created_by=current_user.username)
                     history.add()
                     response = 'good'
@@ -671,6 +718,7 @@ def saml_authorized():
         user.update_profile()
         session['authentication_type'] = 'SAML'
         login_user(user, remember=False)
+        signin_history(user.username, 'SAML', True)
         return redirect(url_for('index'))
     else:
         return render_template('errors/SAML.html', errors=errors)