DNS Gurus
2 records

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass ip4
54.227.237.15/32
+ Pass ip4
54.227.241.140/32
+ Pass ip4
54.240.0.0/18
+ Pass ip4
54.240.64.0/19
+ Pass ip4
54.240.96.0/19
+ Pass ip4
54.243.189.11/32
+ Pass ip4
54.243.189.13/32
+ Pass ip4
54.243.189.22/32
+ Pass ip4
54.80.192.50/32
+ Pass ip4
54.80.194.90/32
+ Pass ip4
64.132.88.0/23
+ Pass ip4
64.132.92.0/24
+ Pass ip4
66.102.0.0/20
+ Pass ip4
66.231.80.0/20
+ Pass ip4
66.249.80.0/20
+ Pass ip4
68.232.192.0/20
+ Pass ip4
69.169.224.0/20
+ Pass ip4
72.14.192.0/18
+ Pass ip4
74.125.0.0/16
+ Pass ip4
74.200.12.0/32
+ Pass ip4
74.200.12.233
+ Pass ip4
74.200.12.234
+ Pass ip4
74.200.12.235
+ Pass ip4
74.200.12.236
+ Pass ip4
74.200.12.237
~ Softfail all
—
20m

DNSSEC Signatures

TTL
RRSIG
TXT 13 4 10800 1785191671 1784928871 52124 _spf.harvard.edu QD+PN1gYhY6niYW53JG1CWitRahRMFZqRQz30tTzea6LVdLapCLrmI4KHqUyg4nyv225dGiqE4zmEtRm9JoXrw==
20m