Connection-to-national-centers.md

+* VPN OCA
+  * FQDN: <span dir="">vpn-n-nat1.oca.eu </span>
+  * IP:<span dir=""> 192.54.174.98</span>
+* DNS:
+  * PHC
+    * FQDN: natintphc.oca.eu
+    * IP: <span dir="">192.54.176.194</span>
\ No newline at end of file