diff --git a/mdx/common-beans.xml b/mdx/common-beans.xml
index 7e33f0f0..d118d84f 100644
--- a/mdx/common-beans.xml
+++ b/mdx/common-beans.xml
@@ -303,7 +303,7 @@
     <bean id="ca_caf_registrar"          parent="String" c:_="http://www.canarie.ca"/>
     <bean id="ch_switchaai_registrar"    parent="String" c:_="http://rr.aai.switch.ch/"/>
     <bean id="cl_cofre_registrar"        parent="String" c:_="http://cofre.reuna.cl"/>
-    <bean id="cn_carsi_registrar"        parent="String" c:_="http://carsi.edu.cn"/>
+    <bean id="cn_carsi_registrar"        parent="String" c:_="https://www.carsi.edu.cn"/>
     <bean id="co_colfire_registrar"      parent="String" c:_="http://colfire.co"/>
     <bean id="cy_cynet_registrar"        parent="String" c:_="http://cynet.ac.cy"/>
     <bean id="cz_eduid_registrar"        parent="String" c:_="http://www.eduid.cz/"/>
@@ -336,7 +336,7 @@
     <bean id="me_eduid_registrar"        parent="String" c:_="http://mren.ac.me"/><!-- A guess -->
     <bean id="mk_aaiedumk_registrar"     parent="String" c:_="https://rr.aaiedu.mk"/>
     <bean id="mw_maren_registrar"        parent="String" c:_="https://maren.ac.mw"/><!-- A guess -->
-    <bean id="mz_cafmoz_registrar"       parent="String" c:_="http://cafmoz.morenet.ac.mz"/><!-- A guess -->
+    <bean id="mz_cafmoz_registrar"       parent="String" c:_="http://cafmoz.morenet.ac.mz"/>
     <bean id="nl_surfconext_registrar"   parent="String" c:_="http://www.surfconext.nl/"/>
     <bean id="no_feide_registrar"        parent="String" c:_="http://feide.no/"/>
     <bean id="nz_tuakiri_registrar"      parent="String" c:_="http://tuakiri.ac.nz/"/><!-- A guess -->
@@ -344,12 +344,12 @@
     <bean id="pl_pionier_registrar"      parent="String" c:_="https://aai.pionier.net.pl"/>
     <bean id="pt_rctsaai_registrar"      parent="String" c:_="https://www.fccn.pt"/>
     <bean id="rs_amres_registrar"        parent="String" c:_="http://amres.ac.rs/"/><!-- A guess -->
-    <bean id="ru_fedurus_registrar"      parent="String" c:_="http://www.fedurus.ru/"/><!-- A guess -->
+    <bean id="ru_fedurus_registrar"      parent="String" c:_="http://arbicon.ru"/>
     <bean id="se_swamid_registrar"       parent="String" c:_="http://www.swamid.se/"/>
     <bean id="sg_sgaf_registrar"         parent="String" c:_="https://www.singaren.net.sg"/>
     <bean id="si_arnes_registrar"        parent="String" c:_="http://aai.arnes.si"/>
     <bean id="sk_safeid_registrar"       parent="String" c:_="http://safeid.sk"/>
-    <bean id="tr_yetkim_registrar"       parent="String" c:_="http://aai.ulak.net.tr/"/><!-- A guess -->
+    <bean id="tr_yetkim_registrar"       parent="String" c:_="https://yetkim.ulakbim.gov.tr/"/>
     <bean id="ua_peano_registrar"        parent="String" c:_="https://peano.uran.ua"/>
     <bean id="ug_rif_registrar"          parent="String" c:_="https://www.renu.ac.ug"/>
     <bean id="uk_ukf_registrar"          parent="String" c:_="http://ukfederation.org.uk"/>