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 postini.com were found.
ns2.google.com [216.239.34.10]
ns1.google.com [216.239.32.10]
ns3.google.com [216.239.36.10]
ns4.google.com [216.239.38.10]

The host has 2 TXT or SPF records. However only 1 TXT and 1 SPF record is allowed by the standard (RFC4408).
The host spf.postini.com has no SPF entries defined although it is referenced. This violates RFC4408.


The following rules for the host name postini.com were found. A total of 0 queries (as defined by RFC4408) were performed for fetching SPF and related records.
The DNS lookups for SPF took 637msec.
  1. Deny all IPs which do not match any previous rule
  2. Inlcude 0 allow rules from host spf.postini.com.
    • This host does not declare any rules. This is an error! (PermError)
  3. Deny all IPs which do not match any previous rule