diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 97b3ad621..feb2a7677 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -72,4 +72,15 @@ module ApplicationHelper
 
     link_to(title, url_for(sort: {param_name => order}), class: "sort_link #{order}")
   end
+
+  def changing_css_class(version, *attrs)
+    return unless version
+    css_class = "text-warning"
+
+    if attrs.size == 1
+      version.object_changes.to_h[attrs.first] && css_class
+    else
+      version.object_changes.to_h.slice(*attrs).any? && css_class
+    end
+  end
 end
diff --git a/app/models/concerns/versions.rb b/app/models/concerns/versions.rb
index 768cf021e..779bd781a 100644
--- a/app/models/concerns/versions.rb
+++ b/app/models/concerns/versions.rb
@@ -3,6 +3,7 @@ module Versions
   extend ActiveSupport::Concern
 
   included do
+    attr_accessor :version_loader
     has_paper_trail class_name: "#{model_name}Version"
 
     # add creator and updator
@@ -55,4 +56,23 @@ module Versions
       domains.each(&:touch_with_version)
     end
   end
+
+  module ClassMethods
+    def all_versions_for(ids, time)
+      ver_klass    = paper_trail_version_class
+      from_history = ver_klass.where(item_id: ids).
+          order(:item_id).
+          preceding(time + 1, true).
+          select("distinct on (item_id) #{ver_klass.table_name}.*").
+          map do |ver|
+            o = new(ver.object)
+            o.version_loader = ver
+            ver.object_changes.to_h.each { |k, v| o[k]=v[-1] }
+            o
+          end
+      not_in_history = where(id: (ids - from_history.map(&:id)))
+
+      from_history + not_in_history
+    end
+  end
 end
diff --git a/app/models/domain.rb b/app/models/domain.rb
index 7880494cd..833cdba1a 100644
--- a/app/models/domain.rb
+++ b/app/models/domain.rb
@@ -746,6 +746,7 @@ class Domain < ActiveRecord::Base
     log[:dnskeys]        = dnskey_ids
     log[:legal_documents]= [legal_document_id]
     log[:registrant]     = [registrant_id]
+    log[:dnskeys]        = dnskeys_ids
     log
   end
 
diff --git a/app/views/admin/contact_versions/show.haml b/app/views/admin/contact_versions/show.haml
index 555c301dc..d6762a8c6 100644
--- a/app/views/admin/contact_versions/show.haml
+++ b/app/views/admin/contact_versions/show.haml
@@ -1,4 +1,6 @@
-= render 'shared/title', name: @version.reify.name
+- contact = Contact.new(@version.object.to_h)
+- @version.object_changes.to_h.each{|k,v| contact[k]=v.last}
+= render 'shared/title', name: contact.name
 
 .row
   .col-md-8
@@ -11,55 +13,64 @@
       .panel-body
         %dl.dl-horizontal
           %dt= t(:id)
-          %dd= @version.reify.code
+          %dd{class: changing_css_class(@version,"code")}
+            = contact.code
+
+          %dt= t(:statuses)
+          %dd{class: changing_css_class(@version,"statuses")}
+            = contact.statuses.join(", ")
 
           %dt= t(:ident)
-          %dd= ident_for(@version.reify)
+          %dd{class: changing_css_class(@version,"ident_country_code", "ident_type", "ident")}
+            = ident_for(contact)
 
           %dt= t(:email)
-          %dd= @version.reify.email
+          %dd{class: changing_css_class(@version,"email")}
+            = contact.email
 
           %dt= t(:phone)
-          %dd= @version.reify.phone
+          %dd{class: changing_css_class(@version,"phone")}
+            = contact.phone
 
-          - if @version.reify.fax
+          - if contact.fax
             %dt= t(:fax)
-            %dd= @version.reify.fax
+            %dd{class: changing_css_class(@version,"fax")}
+              = contact.fax
 
           %br
 
           %dt= t(:created)
-          %dd
-            = l(@version.reify.created_at, format: :short)
+          %dd{class: changing_css_class(@version,"created_at")}
+            = l(contact.created_at, format: :short)
 
           %dt= t(:updated)
-          %dd
-            = l(@version.reify.updated_at, format: :short)
+          %dd{class: changing_css_class(@version,"updated_at")}
+            = l(contact.updated_at, format: :short)
 
           %dt= t(:registrar)
-          %dd
-            - if @version.reify.registrar.present?
-              = link_to(@version.reify.registrar, admin_registrar_path(@version.reify.registrar))
+          %dd{class: changing_css_class(@version,"registrar_id")}
+            - if contact.registrar.present?
+              = link_to(contact.registrar, admin_registrar_path(contact.registrar))
 
         %dl.dl-horizontal
-          - if @version.reify.org_name.present?
+          - if contact.org_name.present?
             %dt= t(:org_name)
-            %dd= @version.reify.org_name
+            %dd{class: changing_css_class(@version,"org_name")}= contact.org_name
 
           %dt= t(:street)
-          %dd= @version.reify.street.to_s.gsub("\n", '<br>').html_safe
+          %dd{class: changing_css_class(@version,"street")}= contact.street.to_s.gsub("\n", '<br>').html_safe
 
           %dt= t(:city)
-          %dd= @version.reify.city
+          %dd{class: changing_css_class(@version,"city")}= contact.city
 
           %dt= t(:zip)
-          %dd= @version.reify.zip
+          %dd{class: changing_css_class(@version,"zip")}= contact.zip
 
           %dt= t(:state)
-          %dd= @version.reify.state
+          %dd{class: changing_css_class(@version,"state")}= contact.state
 
           %dt= t(:country)
-          %dd= @version.reify.country
+          %dd{class: changing_css_class(@version,"country_code")}= contact.country
 
 
       %span{:style => "padding-right:10px; float: right;"}
diff --git a/app/views/admin/domain_versions/show.haml b/app/views/admin/domain_versions/show.haml
index e6076a3db..6244e60f0 100644
--- a/app/views/admin/domain_versions/show.haml
+++ b/app/views/admin/domain_versions/show.haml
@@ -1,11 +1,13 @@
 = render 'shared/title', name: @version.reify.name
+- domain = Domain.new(@version.object.to_h)
+- @version.object_changes.to_h.each{|k,v| domain[k]=v.last}
 
 - if @version
   - children = HashWithIndifferentAccess.new(@version.children)
-  - nameservers    = Nameserver.where(id: children[:nameservers])
-  - tech_contacts  = Contact.where(id: children[:tech_contacts])
-  - admin_contacts = Contact.where(id: children[:admin_contacts])
-  - registrant     = Contact.where(id: children[:registrant])
+  - nameservers    = Nameserver.all_versions_for(children[:nameservers], @version.created_at)
+  - tech_contacts  = Contact.all_versions_for(children[:tech_contacts], @version.created_at)
+  - admin_contacts = Contact.all_versions_for(children[:admin_contacts], @version.created_at)
+  - registrant     = Contact.all_versions_for(children[:registrant], @version.created_at)
   - event       = @version.event
   - creator     = plain_username(@version.terminator)
 
@@ -21,36 +23,47 @@
       .panel-body
         %dl.dl-horizontal
           %dt= t(:name)
-          %dd= link_to(@version.reify.name, admin_domain_path(@version.item_id))
+          %dd= link_to(domain.name, admin_domain_path(@version.item_id))
+
           %dt= t(:statuses)
-          %dd
-            - if @version.reify.statuses.present?
-              - @version.reify.statuses.each do |s|
+          %dd{class: changing_css_class(@version,"statuses")}
+            - if domain.statuses.present?
+              - domain.statuses.each do |s|
                 = s
+
           %dt= t(:registrant)
-          %dd
+          %dd{class: changing_css_class(@version,"registrant_id")}
             - registrant.each do |r|
-              = r[:name]
-              = r[:phone]
-              = r[:email]
-              = r[:code]
-              %br
+              - link = r.version_loader ? admin_contact_version_path(r.version_loader.try(:id)) : admin_contact_path(r.id)
+              = link_to link, target: "contact_#{r.id}" do
+                = r[:name]
+                = r[:phone]
+                = r[:email]
+                = r[:code]
+                %br
+
           %dt= t(:admin_contacts)
           %dd
             - admin_contacts.each do |r|
-              = r[:name]
-              = r[:phone]
-              = r[:email]
-              = r[:code]
-              %br
+              - link = r.version_loader ? admin_contact_version_path(r.version_loader.try(:id)) : admin_contact_path(r.id)
+              = link_to link, target: "contact_#{r.id}" do
+                = r[:name]
+                = r[:phone]
+                = r[:email]
+                = r[:code]
+                %br
+
           %dt= t(:tech_contacts)
           %dd
             - tech_contacts.each do |r|
-              = r[:name]
-              = r[:phone]
-              = r[:email]
-              = r[:code]
-              %br
+              - link = r.version_loader ? admin_contact_version_path(r.version_loader.try(:id)) : admin_contact_path(r.id)
+              = link_to link, target: "contact_#{r.id}" do
+                = r[:name]
+                = r[:phone]
+                = r[:email]
+                = r[:code]
+                %br
+
           %dt= t(:nameservers)
           %dd
             - nameservers.each do |ns|
@@ -58,8 +71,12 @@
               = ns[:ipv4]
               = ns[:ipv6]
               %br
+
           %dt= t(:registrar)
-          %dd= @version.reify.registrar.name
+          %dd{class: changing_css_class(@version,"registrar_id")}
+            = link_to admin_registrar_path(domain.registrar), target: "registrar_#{domain.registrar.id}" do
+              = domain.registrar.name
+
       %span{:style => "padding-right:10px; padding-top:40px; float: right; bottom: 10px;"}
         - if @version.previous
           = link_to(t(:previous),
diff --git a/app/views/admin/domains/partials/_version.haml b/app/views/admin/domains/partials/_version.haml
index fd449b4b0..15768ea16 100644
--- a/app/views/admin/domains/partials/_version.haml
+++ b/app/views/admin/domains/partials/_version.haml
@@ -5,20 +5,20 @@
 
 - if domain.present?
   - if version # normal history
-    - children = HashWithIndifferentAccess.new(version.children)
-    - nameservers    = Nameserver.where(id: children[:nameservers])
-    - tech_contacts  = Contact.where(id: children[:tech_contacts])
-    - admin_contacts = Contact.where(id: children[:admin_contacts])
-    - registrant     = Contact.where(id: children[:registrant])
-    - event       = version.event
-    - creator     = plain_username(version.terminator)
+    - children       = HashWithIndifferentAccess.new(version.children)
+    - nameservers    = Nameserver.all_versions_for(children[:nameservers], version.created_at)
+    - tech_contacts  = Contact.all_versions_for(children[:tech_contacts], version.created_at)
+    - admin_contacts = Contact.all_versions_for(children[:admin_contacts], version.created_at)
+    - registrant     = Contact.all_versions_for(children[:registrant], version.created_at)
+    - event          = version.event
+    - creator        = plain_username(version.terminator)
   - else # pending history
     - nameservers    = domain.nameservers
     - tech_contacts  = domain.tech_contacts
     - admin_contacts = domain.admin_contacts
-    - registrant  = [domain.registrant]
-    - creator     = pending_user.try(:username)
-    - event       = 'pending'
+    - registrant     = [domain.registrant]
+    - creator        = pending_user.try(:username)
+    - event         = 'pending'
 
   %td
     %p.nowrap
@@ -31,7 +31,7 @@
       %br
       = creator
 
-  %td
+  %td{class: changing_css_class(version,"statuses")}
     %p
       - if domain.statuses.present?
         - domain.statuses.each do |s|
@@ -46,7 +46,7 @@
       %p
         = link_to t(:pending_epp), '#', class: 'js-pending-toggle'
 
-  %td
+  %td{class: changing_css_class(version, "period", "period_unit", "valid_from", "valid_to")}
     %p
       = "#{domain.period}#{domain.period_unit}"
       %br
@@ -55,43 +55,52 @@
       = "#{l(domain.valid_to, format: :date)}"
 
   %td
-    - registrant.each do |r|
-      %p
-        = r[:name]
-        = r[:phone]
-        = r[:email]
-      %p
-        = r[:code]
+    - Array(registrant).each do |r|
+      - link = r.version_loader ? admin_contact_version_path(r.version_loader.try(:id)) : admin_contact_path(r.id)
+      = link_to link, target: "contact_#{r.id}" do
+        %p
+          = r[:name]
+          = r[:phone]
+          = r[:email]
+        %p
+          = r[:code]
 
   %td
-    - admin_contacts.each do |ac|
-      %p
-        = ac[:name]
-        = ac[:phone]
-        = ac[:email]
-      %p
-        = ac[:code]
+    - Array(admin_contacts).each do |ac|
+      - link = ac.version_loader ? admin_contact_version_path(ac.version_loader.try(:id)) : admin_contact_path(ac.id)
+      = link_to link, target: "contact_#{ac.id}" do
+        %p
+          = ac[:name]
+          = ac[:phone]
+          = ac[:email]
+        %p
+          = ac[:code]
 
   %td
-    - tech_contacts.each do |tc|
-      %p
-        = tc[:name]
-        = tc[:phone]
-        = tc[:email]
-      %p
-        = tc[:code]
+    - Array(tech_contacts).each do |tc|
+      - link = tc.version_loader ? admin_contact_version_path(tc.version_loader.try(:id)) : admin_contact_path(tc.id)
+      = link_to link, target: "contact_#{tc.id}" do
+        %p
+          = tc[:name]
+          = tc[:phone]
+          = tc[:email]
+        %p
+          = tc[:code]
 
   %td
     %p
-      - nameservers.each do |ns|
+      - Array(nameservers).each do |ns|
         = ns[:hostname]
         %br
-        = ns[:ipv4]
-        = ns[:ipv6]
+        = ns[:ipv4].presence
+        = ns[:ipv6].presence
+        %br
 
-  %td
-    %p
-      = domain.registrar.name
+  %td{class: changing_css_class(version,"registrar_id")}
+    - if domain.registrar
+      %p
+        = link_to admin_registrar_path(domain.registrar), target: "registrar_#{domain.registrar.id}" do
+          = domain.registrar.name
 
   - if domain.pending_json.present?
     %tr.js-pending{ style: 'display: none;' }
diff --git a/app/views/admin/domains/versions.haml b/app/views/admin/domains/versions.haml
index 5224aa34a..175b0be02 100644
--- a/app/views/admin/domains/versions.haml
+++ b/app/views/admin/domains/versions.haml
@@ -5,7 +5,7 @@
 .row
   .col-md-12
     .table-responsive
-      %table.table-hover.table-bordered.table-condensed
+      %table.table.table-bordered.table-condensed
         %thead
           %tr
             %th{class: 'col-xs-1'}= t(:timestap)