cns.lu.			30 IN SOA ns1.etat.lu. dnsmaster.ns1.etat.lu. (
				53         ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				900        ; minimum (15 minutes)
				)

cns.lu.			30 IN TXT "v=spf1 include:spf.healthnet.lu +ip4:194.154.200.229
+ip4:80.90.47.128/29 +ip4:185.106.25.0/24 +ip4:85.93.210.156 +ip4:37.157.154.176
+ip4:37.157.154.177 -all"

cns.lu.			30 IN A	185.106.24.133

Name servers:
cns.lu.			30 IN NS ns3.etat.lu.
cns.lu.			30 IN NS ns1.etat.lu.
cns.lu.			30 IN NS ns2.etat.lu.