polytechnice.fr.	30 IN SOA ns1.o2switch.net. sysadmin.o2switch.fr. (
				2024041505 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

polytechnice.fr.	30 IN TXT "v=spf1 +a +mx +ip4:109.234.165.107 +ip4:109.234.165.235
+include:spf.jabatus.fr ~all"

polytechnice.fr.	30 IN A	109.234.165.235

Mail exchangers:
polytechnice.fr.	30 IN MX 0 mail.polytechnice.fr.

Name servers:
polytechnice.fr.	30 IN NS ns1.o2switch.net.
polytechnice.fr.	30 IN NS ns2.o2switch.net.