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 [156.115.14.70]
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

The following rules for the host name ubs.com were found. A total of 5 queries (as defined by RFC4408) were performed for fetching SPF and related records.
The DNS lookups for SPF took 1436msec.
  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-b.ubs.com.
    1. Allow all from the range 155.145.237.0/28 (155.145.237.0 - 155.145.237.15)
    2. Allow all from the range 155.145.238.0/28 (155.145.238.0 - 155.145.238.15)
    3. Allow all from the range 151.191.220.0/28 (151.191.220.0 - 151.191.220.15)
    4. Allow all from the range 151.191.219.0/28 (151.191.219.0 - 151.191.219.15)
    5. Allow all from the range 165.222.242.0/28 (165.222.242.0 - 165.222.242.15)
    6. Allow all from the range 165.222.243.0/28 (165.222.243.0 - 165.222.243.15)
    7. Allow all from the range 147.60.34.0/28 (147.60.34.0 - 147.60.34.15)
    8. Allow all from the range 147.60.33.0/28 (147.60.33.0 - 147.60.33.15)
    9. Deny all IPs which do not match any previous rule
  3. 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
  4. Inlcude 10 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::/51
    8. Allow all from the range 2a01:111:f403:c000::/51
    9. Allow all from the range 2a01:111:f403:f000::/52
    10. Deny all IPs which do not match any previous rule
  5. Inlcude 5 allow rules from host _spf.credit-suisse.com.
    1. Allow all from the range 198.240.212.0/27 (198.240.212.0 - 198.240.212.31)
    2. Allow all from the range 198.240.213.0/27 (198.240.213.0 - 198.240.213.31)
    3. Allow all from the range 198.240.130.0/24 (198.240.130.0 - 198.240.130.255)
    4. Allow all from the range 199.53.195.0/24 (199.53.195.0 - 199.53.195.255)
    5. Deny all IPs which do not match any previous rule
  6. Deny all IPs which do not match any previous rule