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 kitterman.com were found.
ns2.pairnic.com [216.146.192.244]
ns1.pairnic.com [216.92.3.91]

The following rules for the host name kitterman.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 2203msec.
  1. Allow if the IP matches an A or AAAA record of skitterma.mail.pairserver.com
    1. 216.92.161.50
  2. Allow if the IP matches an A or AAAA record of www4.g24.pair.com
    1. 216.92.80.72
    2. 2607:f440::d85c:5048
  3. Allow if the IP matches an A or AAAA record of mail8.g24.pair.com
    1. 216.92.161.50
    2. 2607:f440::d85c:a132
  4. Inlcude 10 allow rules from host webmail.pair.com.
    1. Allow all from the ip 216.92.37.53
    2. Allow all from the ip 209.68.6.94
    3. Allow all from the ip 66.39.3.96
    4. Allow all from the ip 66.39.3.34
    5. Allow all from the ip 66.39.3.58
    6. Allow all from the ip 2607:f440::d144:65e
    7. Allow all from the ip 2607:f440::4227:360
    8. Allow all from the ip 2607:f440::4227:322
    9. Allow all from the ip 2607:f440::4227:33a
    10. Soft deny all IPs which do not match any previous rule
  5. Inlcude 21 allow rules from host relay.pair.com.
    1. Allow all from the ip 66.39.136.37
    2. Allow all from the ip 216.92.238.7
    3. Allow all from the ip 216.92.240.53
    4. Allow all from the ip 216.92.218.55
    5. Allow all from the ip 216.92.119.18
    6. Allow all from the ip 66.39.23.13
    7. Allow all from the ip 216.92.250.21
    8. Allow all from the ip 216.92.150.20
    9. Allow all from the ip 216.92.216.48
    10. Allow all from the ip 216.92.118.10
    11. Allow all from the ip 216.146.198.19
    12. Allow all from the ip 216.146.196.19
    13. Allow all from the ip 216.146.199.78
    14. Allow all from the ip 216.146.193.57
    15. Allow all from the ip 216.146.197.70
    16. Allow all from the ip 216.92.139.22
    17. Allow all from the ip 216.92.154.10
    18. Allow all from the ip 216.92.59.40
    19. Allow all from the ip 216.92.185.11
    20. Allow all from the ip 216.92.37.53
    21. Soft deny all IPs which do not match any previous rule
  6. Deny all IPs which do not match any previous rule