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 ubs.com were found.
uranus.ubs.com [156.115.12.69]
udns1.ultradns.net
udns2.ultradns.net
neptune.ubs.com [147.60.6.75]
mercury.ubs.com [155.145.206.75]
jupiter.ubs.com [161.239.244.75]
a3-64.akam.net
a5-65.akam.net
a26-66.akam.net
a2-65.akam.net
a28-65.akam.net
a1-12.akam.net
uranus2.ubs.com [156.115.14.70]

The following rules for the host name ubs.com were found. A total of 4 queries (as defined by RFC4408) were performed for fetching SPF and related records.
The DNS lookups for SPF took 972msec.
  1. Inlcude 24 allow rules from host spf-a.ubs.com.
    1. Allow all from the range 139.149.1.0/24 (139.149.1.0 - 139.149.1.255)
    2. Allow all from the range 139.149.132.0/24 (139.149.132.0 - 139.149.132.255)
    3. Allow all from the range 151.191.175.0/24 (151.191.175.0 - 151.191.175.255)
    4. Allow all from the range 147.60.1.0/24 (147.60.1.0 - 147.60.1.255)
    5. Allow all from the range 147.60.58.0/24 (147.60.58.0 - 147.60.58.255)
    6. Allow all from the range 148.112.145.0/24 (148.112.145.0 - 148.112.145.255)
    7. Allow all from the range 193.134.254.0/24 (193.134.254.0 - 193.134.254.255)
    8. Allow all from the range 208.85.48.168/32 (208.85.48.168 - 208.85.48.168)
    9. Allow all from the range 216.52.51.3/32 (216.52.51.3 - 216.52.51.3)
    10. Allow all from the range 66.77.22.2/32 (66.77.22.2 - 66.77.22.2)
    11. Allow all from the range 161.239.252.0/24 (161.239.252.0 - 161.239.252.255)
    12. Allow all from the range 161.239.244.0/24 (161.239.244.0 - 161.239.244.255)
    13. Allow all from the range 155.145.206.128/26 (155.145.206.128 - 155.145.206.191)
    14. Allow all from the range 161.239.225.0/24 (161.239.225.0 - 161.239.225.255)
    15. Allow all from the range 161.239.232.0/24 (161.239.232.0 - 161.239.232.255)
    16. Allow all from the range 155.145.208.0/24 (155.145.208.0 - 155.145.208.255)
    17. Allow all from the range 155.145.195.0/24 (155.145.195.0 - 155.145.195.255)
    18. Allow all from the range 165.222.56.0/24 (165.222.56.0 - 165.222.56.255)
    19. Allow all from the range 165.222.180.0/24 (165.222.180.0 - 165.222.180.255)
    20. Allow all from the range 138.206.236.75/32 (138.206.236.75 - 138.206.236.75)
    21. Allow all from the range 138.206.236.19/32 (138.206.236.19 - 138.206.236.19)
    22. Allow all from the range 147.60.6.25/32 (147.60.6.25 - 147.60.6.25)
    23. Allow all from the range 147.60.6.79/32 (147.60.6.79 - 147.60.6.79)
    24. Deny all IPs which do not match any previous rule
  2. Inlcude 9 allow rules from host spf-hosted.ubs.com.
    1. Allow all from the range 70.42.38.10/32 (70.42.38.10 - 70.42.38.10)
    2. Allow all from the range 62.73.159.10/32 (62.73.159.10 - 62.73.159.10)
    3. Allow all from the range 74.112.71.192/32 (74.112.71.192 - 74.112.71.192)
    4. Allow all from the range 87.117.253.10/32 (87.117.253.10 - 87.117.253.10)
    5. Allow all from the range 103.19.25.108/32 (103.19.25.108 - 103.19.25.108)
    6. Allow all from the range 212.71.102.220/32 (212.71.102.220 - 212.71.102.220)
    7. Allow all from the range 83.126.52.24/32 (83.126.52.24 - 83.126.52.24)
    8. Allow all from the range 216.244.108.24/32 (216.244.108.24 - 216.244.108.24)
    9. Deny all IPs which do not match any previous rule
  3. Inlcude 11 allow rules from host spf.protection.outlook.com.
    1. Allow all from the range 40.92.0.0/15 (40.92.0.0 - 40.93.255.255)
    2. Allow all from the range 40.107.0.0/16 (40.107.0.0 - 40.107.255.255)
    3. Allow all from the range 52.100.0.0/14 (52.100.0.0 - 52.103.255.255)
    4. Allow all from the range 104.47.0.0/17 (104.47.0.0 - 104.47.127.255)
    5. Allow all from the range 2a01:111:f400::/48
    6. Allow all from the range 2a01:111:f403::/49
    7. Allow all from the range 2a01:111:f403:8000::/50
    8. Allow all from the range 2a01:111:f403:c000::/51
    9. Allow all from the range 2a01:111:f403:f000::/52
    10. Inlcude 10 allow rules from host spfd.protection.outlook.com.
      1. Allow all from the range 51.4.72.0/24 (51.4.72.0 - 51.4.72.255)
      2. Allow all from the range 51.5.72.0/24 (51.5.72.0 - 51.5.72.255)
      3. Allow all from the range 51.5.80.0/27 (51.5.80.0 - 51.5.80.31)
      4. Allow all from the range 20.47.149.138/32 (20.47.149.138 - 20.47.149.138)
      5. Allow all from the range 51.4.80.0/27 (51.4.80.0 - 51.4.80.31)
      6. Allow all from the range 2a01:4180:4051:0800::/64
      7. Allow all from the range 2a01:4180:4050:0800::/64
      8. Allow all from the range 2a01:4180:4051:0400::/64
      9. Allow all from the range 2a01:4180:4050:0400::/64
      10. Deny all IPs which do not match any previous rule
    11. Deny all IPs which do not match any previous rule
  4. Deny all IPs which do not match any previous rule