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@jatrost
Created July 5, 2020 02:10
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$ dig TXT spf.protection.outlook.com _spf.qualtrics.com spf.blackboardconnect.com servers.mcsv.net _spf.mlsend.com | grep -i v=spf
spf.protection.outlook.com. 600 IN TXT "v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/48 include:spfd.protection.outlook.com -all"
_spf.qualtrics.com. 600 IN TXT "v=spf1 ip4:139.60.152.0/22 ip4:162.247.216.0/22 ip4:54.186.193.102/32 ip4:52.222.73.120/32 ip4:52.222.73.83/32 ip4:52.222.62.51/32 ip4:52.222.75.85/32 ?all"
spf.blackboardconnect.com. 1800 IN TXT "v=spf1 ip4:34.215.79.96 ip4:34.213.216.156 ip4:34.215.2.68 ip4:52.32.163.183 ip4:34.214.101.49 ip4:34.217.250.63 ip4:52.38.184.84 ip4:52.42.133.179 ip4:208.93.120.0/24 ip4:208.93.122.0/24 -all"
servers.mcsv.net. 600 IN TXT "v=spf1 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ?all"
_spf.mlsend.com. 300 IN TXT "v=spf1 ip4:92.61.38.0/24 ip4:31.193.196.0/24 ip4:31.193.193.0/24 ip4:195.12.186.0/24 ip4:31.193.199.0/24 ip4:185.79.247.64/27 ip4:185.38.167.176/28 ip4:185.79.246.64/26 -all"
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