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 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 5717msec.
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Allow all from the ip 52.45.214.107
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Inlcude 25 allow rules from host spf.messagingengine.com.
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Allow all from the ip 66.111.4.25
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Allow all from the ip 66.111.4.26
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Allow all from the ip 66.111.4.27
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Allow all from the ip 66.111.4.28
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Allow all from the ip 66.111.4.29
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Allow all from the ip 66.111.4.221
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Allow all from the ip 66.111.4.222
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Allow all from the ip 66.111.4.224
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Allow all from the ip 66.111.4.225
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Allow all from the ip 66.111.4.229
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Allow all from the ip 66.111.4.230
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Allow all from the ip 64.147.123.17
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Allow all from the ip 64.147.123.18
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Allow all from the ip 64.147.123.19
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Allow all from the ip 64.147.123.20
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Allow all from the ip 64.147.123.21
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Allow all from the ip 64.147.123.24
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Allow all from the ip 64.147.123.25
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Allow all from the ip 64.147.123.26
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Allow all from the ip 64.147.123.27
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Allow all from the ip 64.147.123.28
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Allow all from the ip 64.147.123.29
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Allow all from the range 103.168.172.128/27 (103.168.172.128 - 103.168.172.159)
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Allow all from the range 64.147.123.128/27 (64.147.123.128 - 64.147.123.159)
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Deny all IPs which do not match any previous rule
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Inlcude 12 allow rules from host amazonses.com.
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Allow all from the range 199.255.192.0/22 (199.255.192.0 - 199.255.195.255)
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Allow all from the range 199.127.232.0/22 (199.127.232.0 - 199.127.235.255)
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Allow all from the range 54.240.0.0/18 (54.240.0.0 - 54.240.63.255)
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Allow all from the range 69.169.224.0/20 (69.169.224.0 - 69.169.239.255)
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Allow all from the range 23.249.208.0/20 (23.249.208.0 - 23.249.223.255)
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Allow all from the range 23.251.224.0/19 (23.251.224.0 - 23.251.255.255)
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Allow all from the range 76.223.176.0/20 (76.223.176.0 - 76.223.191.255)
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Allow all from the range 52.82.172.0/22 (52.82.172.0 - 52.82.175.255)
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Allow all from the range 54.240.64.0/19 (54.240.64.0 - 54.240.95.255)
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Allow all from the range 54.240.96.0/19 (54.240.96.0 - 54.240.127.255)
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Allow all from the range 76.223.128.0/19 (76.223.128.0 - 76.223.159.255)
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Deny all IPs which do not match any previous rule
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Deny all IPs which do not match any previous rule