_3._spf.harvard.edu.    	1200	IN  	TXT	"v=spf1 ip4:161.71.64.0/20 ip4:168.245.25.116 ip4:172.217.0.0/19 ip4:172.217.128.0/19 ip4:172.217.160.0/20 ip4:172.217.192.0/19 ip4:172.217.32.0/20 ip4:172.253.112.0/20 ip4:172.253.56.0/21 ip4:173.194.0.0/16 ip4:174.142.116.39 ip4:174.142.116.40 ip4:174.142.116.50 ip4:174.142.116.51 ip4:176.31.145.254 ip4:184.107.63.100 ip4:184.107.80.100 ip4:184.107.80.101 ip4:184.107.80.111 ip4:184.72.233.164/32 ip4:184.72.233.230/32 ip4:198.2.128.0/18 ip4:129.33.243.2 ip4:129.33.243.3 ip4:52.191.101.144 ~all"

_3._spf.harvard.edu.    	1200	IN  	RRSIG	TXT 13 4 10800 1785278071 1785015271 52124 _spf.harvard.edu Tzev629DPODJDLgNcR2AdTn6QHWRaHvuJo1p1NQmSqcq0O9X5NM5+D0o2zleBvQdgRH0ciBYwL1iR7q3jD0XOw==