A | 52.26.125.194 |
MX | mx1.caltech.iphmx.com (priority: 10) |
MX | mx2.caltech.iphmx.com (priority: 10) |
TXT | v=spf1 ip4:131.215.0.0/16 ip4:134.4.0.0/16 ip4:192.100.16.0/24 ip4:198.129.208.0/23 ip4:208.69.128.0/22 ip4:199.188.184.0/22 ip4:198.202.125.128/25 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:spf.dynect.net include:cust-spf.cashnet.com include:amazonses.com include:_spf.createsend.com include:_s0.caltech.edu ?all |