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, okinawatimes.co.jp, 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 were found for the hostname bitcointalk.org.
brad.ns.cloudflare.com [brad.ns.cloudflare.com]
amy.ns.cloudflare.com [amy.ns.cloudflare.com]

The SPF entries includes at least one CNAME which is known to cause problems on some mail servers.


The following rules for the host name bitcointalk.org were found. A total of 2 queries (as defined by RFC4408) were performed for fetching SPF and related records.
The DNS lookups for SPF took 533msec.
  1. Allow all from the ip 52.45.214.107
  2. Inlcude 23 allow rules from host spf.messagingengine.com.
    1. Allow all from the ip 66.111.4.25
    2. Allow all from the ip 66.111.4.26
    3. Allow all from the ip 66.111.4.27
    4. Allow all from the ip 66.111.4.28
    5. Allow all from the ip 66.111.4.29
    6. Allow all from the ip 66.111.4.221
    7. Allow all from the ip 66.111.4.222
    8. Allow all from the ip 66.111.4.224
    9. Allow all from the ip 66.111.4.225
    10. Allow all from the ip 66.111.4.229
    11. Allow all from the ip 66.111.4.230
    12. Allow all from the ip 64.147.123.17
    13. Allow all from the ip 64.147.123.18
    14. Allow all from the ip 64.147.123.19
    15. Allow all from the ip 64.147.123.20
    16. Allow all from the ip 64.147.123.21
    17. Allow all from the ip 64.147.123.24
    18. Allow all from the ip 64.147.123.25
    19. Allow all from the ip 64.147.123.26
    20. Allow all from the ip 64.147.123.27
    21. Allow all from the ip 64.147.123.28
    22. Allow all from the ip 64.147.123.29
    23. Deny all IPs which do not match any previous rule
  3. Inlcude 6 allow rules from host amazonses.com.
    1. Allow all from the range 199.255.192.0/22
    2. Allow all from the range 199.127.232.0/22
    3. Allow all from the range 54.240.0.0/18
    4. Allow all from the range 69.169.224.0/20
    5. Allow all from the range 76.223.180.0/23
    6. Deny all IPs which do not match any previous rule
  4. Deny all IPs which do not match any previous rule
Allow means that the stated addresses are allowed to send emails.
Soft deny means that the stated addresses are not allowed to send emails.
Deny means that emails from the stated addresses must not be accepted.