Lookup tree for smtp2go.com

v=spf1 ip4:210.48.71.200 ip4:210.48.71.172 ip4:50.56.72.228 ip4:116.90.140.41 ip4:210.48.71.198/30 ip4:50.57.187.177 ip4:167.89.2.95 include:mail.zendesk.com include:spf.smtp2go.com include:_spf.google.com -all

• include: mail.zendesk.com (lookup #1)

  v=spf1 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ~all
• include: spf.smtp2go.com (lookup #2)

  v=spf1 ip4:207.58.147.64/28 ip4:216.22.15.224/27 ip4:43.228.184.0/22 ip4:103.47.204.0/22 ip4:103.2.140.0/22 ip4:203.31.36.0/22 ip4:170.10.68.0/22 ip4:158.120.80.0/21 ip4:66.235.120.0/21 ~all
• include: _spf.google.com (lookup #3)

  v=spf1 include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com ~all

  • include: _netblocks.google.com (lookup #4)

    v=spf1 ip4:66.102.0.0/21 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ~all
  • include: _netblocks2.google.com (lookup #5)

    v=spf1 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 ~all
  • include: _netblocks3.google.com (lookup #6)

    v=spf1 ip4:172.217.0.0/19 ip4:172.217.32.0/20 ip4:172.217.128.0/19 ip4:172.217.160.0/20 ip4:172.217.192.0/19 ip4:172.253.56.0/21 ip4:172.253.112.0/20 ip4:108.177.96.0/19 ~all