SPF Record Checker

Please enter a host name to check.

Example host names with SPF records:
ipswitch.com, microsoft.com, google.com, gmail.com, apple.com, postini.com, ebay.com, orange.ch, bitcointalk.org, thecannells.org, facebook.com, shaw.ca, ubs.com, kitterman.com

SPF checker created by an author of the SPF RFC4408.
http://www.kitterman.com/spf/validate.html

 

The following nameservers for the host name ebay.com were found.
dns1.p06.nsone.net
dns2.p06.nsone.net
dns3.p06.nsone.net
dns4.p06.nsone.net
ns01.ebaydns.com [104.225.38.1]
ns02.ebaydns.com [104.225.38.65]
ns03.ebaydns.com [104.225.38.129]
ns04.ebaydns.com [104.225.38.193]

The following rules for the host name ebay.com were found. A total of 9 queries (as defined by RFC4408) were performed for fetching SPF and related records.
The DNS lookups for SPF took 1408msec.
  1. Inlcude 7 allow rules from host c._spf.ebay.com.
    1. Allow all from the ip 205.201.137.229
    2. Allow all from the range 66.211.184.0/23 (66.211.184.0 - 66.211.185.255)
    3. Allow all from the range 205.201.128.0/20 (205.201.128.0 - 205.201.143.255)
    4. Allow all from the range 198.2.128.0/18 (198.2.128.0 - 198.2.191.255)
    5. Allow all from the range 148.105.8.0/21 (148.105.8.0 - 148.105.15.255)
    6. Inlcude 5 allow rules from host ces._spf.ebay.com.
      1. Allow all from the ip 216.71.155.89
      2. Allow all from the ip 216.71.152.207
      3. Allow all from the ip 68.232.157.143
      4. Allow all from the ip 216.71.154.29
      5. Soft deny all IPs which do not match any previous rule
    7. Soft deny all IPs which do not match any previous rule
  2. Inlcude 3 allow rules from host p._spf.ebay.com.
    1. Allow all from the range 206.165.246.80/29 (206.165.246.80 - 206.165.246.87)
    2. Inlcude 6 allow rules from host emarsys.net.
      1. Allow all from the range 91.211.240.0/22 (91.211.240.0 - 91.211.243.255)
      2. Allow all from the range 194.113.24.0/22 (194.113.24.0 - 194.113.27.255)
      3. Allow all from the range 195.54.172.0/23 (195.54.172.0 - 195.54.173.255)
      4. Allow all from the range 185.4.120.0/22 (185.4.120.0 - 185.4.123.255)
      5. Inlcude 3 allow rules from host s.emarsys.net.
        1. Allow all from the range 185.90.20.0/22 (185.90.20.0 - 185.90.23.255)
        2. Allow all from the range 217.175.194.0/24 (217.175.194.0 - 217.175.194.255)
        3. Soft deny all IPs which do not match any previous rule
      6. Soft deny all IPs which do not match any previous rule
    3. Inlcude 2 allow rules from host _spf.salesforce.com.
      1. Allow exists:%{i}._spf.mta.salesforce.com
      2. Deny all IPs which do not match any previous rule
  3. Inlcude 9 allow rules from host p2._spf.ebay.com.
    1. Allow all from the range 203.145.57.160/27 (203.145.57.160 - 203.145.57.191)
    2. Allow all from the range 103.28.42.0/24 (103.28.42.0 - 103.28.42.255)
    3. Allow all from the range 146.88.28.0/24 (146.88.28.0 - 146.88.28.255)
    4. Allow all from the range 163.47.180.0/22 (163.47.180.0 - 163.47.183.255)
    5. Allow all from the range 203.55.21.0/24 (203.55.21.0 - 203.55.21.255)
    6. Allow all from the range 204.75.142.0/24 (204.75.142.0 - 204.75.142.255)
    7. Allow all from the ip 216.74.162.13
    8. Allow all from the ip 216.74.162.14
    9. Inlcude 11 allow rules from host sendgrid.net.
      1. Allow all from the range 167.89.0.0/17 (167.89.0.0 - 167.89.127.255)
      2. Allow all from the range 208.117.48.0/20 (208.117.48.0 - 208.117.63.255)
      3. Allow all from the range 50.31.32.0/19 (50.31.32.0 - 50.31.63.255)
      4. Allow all from the range 198.37.144.0/20 (198.37.144.0 - 198.37.159.255)
      5. Allow all from the range 198.21.0.0/21 (198.21.0.0 - 198.21.7.255)
      6. Allow all from the range 192.254.112.0/20 (192.254.112.0 - 192.254.127.255)
      7. Allow all from the range 168.245.0.0/17 (168.245.0.0 - 168.245.127.255)
      8. Allow all from the range 149.72.0.0/16 (149.72.0.0 - 149.72.255.255)
      9. Allow all from the range 159.183.0.0/16 (159.183.0.0 - 159.183.255.255)
      10. Inlcude 5 allow rules from host ab.sendgrid.net.
        1. Allow all from the range 223.165.113.0/24 (223.165.113.0 - 223.165.113.255)
        2. Allow all from the range 223.165.115.0/24 (223.165.115.0 - 223.165.115.255)
        3. Allow all from the range 223.165.118.0/23 (223.165.118.0 - 223.165.119.255)
        4. Allow all from the range 223.165.120.0/23 (223.165.120.0 - 223.165.121.255)
        5. Soft deny all IPs which do not match any previous rule
      11. Soft deny all IPs which do not match any previous rule
  4. Soft deny all IPs which do not match any previous rule