Lookup tree for cisco.com

v=spf1 redirect=spfa._spf.cisco.com

• redirect=spfa._spf.cisco.com (lookup #1)

  v=spf1 ip4:173.37.147.224/27 ip4:173.37.142.64/26 ip4:173.38.212.128/27 ip4:173.38.203.0/24 ip4:72.163.7.160/27 ip4:72.163.197.0/24 ip4:66.187.208.0/20 ip4:173.37.86.0/24 include:spf.protection.outlook.com include:spfb._spf.cisco.com ~all

  • include: spf.protection.outlook.com (lookup #2)

    v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all
  • include: spfb._spf.cisco.com (lookup #3)

    v=spf1 ip4:64.104.15.96/27 ip4:64.104.3.128/25 ip4:173.36.137.128/26 ip4:64.102.19.192/26 ip4:173.36.136.0/24 ip4:184.94.240.0/20 ip4:68.232.129.181 ip4:68.232.135.80 ip4:208.90.56.0/21 include:spfc._spf.cisco.com ~all

    • include: spfc._spf.cisco.com (lookup #4)

      v=spf1 ip4:64.101.210.224/28 ip4:173.37.227.240/28 ip4:173.37.135.112/28 mx:res.cisco.com mx:sco.cisco.com ~all

      • mx:res.cisco.com (lookup #5)

        < supports up to 10 MX hostnames >
      • mx:sco.cisco.com (lookup #6)

        < supports up to 10 MX hostnames >