With the SPF lookup you analyze the SPF record of a domain for errors, security risks and authorized IP addresses. Optionally, you can specify an IP address to check if it is authorized to send e-mail on behalf of the domain. The SPF lookup analyzes registered TXT records in real time. If you want to specify an SPF record manually, use the SPF Analyzer.
The domain wideopenwest.com does not fulfil the requirements for optimal deliverability to Google, Yahoo and other email service providers.
Mandatory IT baseline protection measures for email security are not fulfilled. There are risks of email misuse.
Does a valid SPF record exist?
An SPF record was found for the domain wideopenwest.com.
The SPF record for wideopenwest.com is not valid.
The syntax check resulted in a total of 9 errors.
of the email -Spoofing protection for this domain is not or not sufficiently provided.
Which IP-s are legitimate to send emails?
The SPF record contains a reference to external rules, which means that the validity of the SPF record depends on at least one other domain. A detailed list of the rules used externally can be found in the analysis result.
In total, 298 IP address(es) were authorized by the SPF record to send emails.
62 of these are not taken into account by the Mail Transfer Agent evaluation and are not authorized to send emails on behalf of the domain.
The SPF record analysis was performed on 24.11.2024 at 00:20:22 clock.
Have secure SPF record created by expert
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(wideopenwest.com) The SPF record of the domain exceeds the DNS lookup limit (16/10)!
At wideopenwest.com include:_spf.google.com the limit is exceeded (RFC7208):
1: wideopenwest.com - MX 2: wideopenwest.com - A 3: wideopenwest.com include:spfmain.wowincaspf.com 4: wideopenwest.com include:spfmain.wowincaspf.com include:spf.protection.outlook.com 5: wideopenwest.com include:spfmain.wowincaspf.com include:_spf.salesforce.com 6: wideopenwest.com include:spfmain.wowincaspf.com include:spf1.wowincaspf.com 7: wideopenwest.com include:spfmain.wowincaspf.com include:spf2.wowincaspf.com 8: wideopenwest.com include:spfmain.wowincaspf.com include:spf3.wowincaspf.com 9: wideopenwest.com include:spfmain.wowincaspf.com include:spf4.wowincaspf.com 10: wideopenwest.com include:spfmain.wowincaspf.com include:spf5.wowincaspf.com 11: wideopenwest.com include:_spf.google.com 12: wideopenwest.com include:_spf.google.com include:_netblocks.google.com 13: wideopenwest.com include:_spf.google.com include:_netblocks2.google.com 14: wideopenwest.com include:_spf.google.com include:_netblocks3.google.com 15: wideopenwest.com include:_spf.wow.syn-alias.com 16: wideopenwest.com include:_spf.wow.syn-alias.com - MX |
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(wideopenwest.com) Invalid mechanisms in SPF-Record!
'include:_spf.google.com' exceeds the maximum DNS lookup limit of 10 (RFC7208)(Aktuell: 12)!
'include:_spf.wow.syn-alias.com' exceeds the maximum DNS lookup limit of 10 (RFC7208)(Aktuell: 16)!
OK for 'v' -> 'spf1'
OK for 'mx'
OK for 'a'
OK for 'ip4' -> '64.8.71.0/24'
OK for 'include' -> 'spfmain.wowincaspf.com'
OK for 'all' -> '~'
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(wideopenwest.com → spfmain.wowincaspf.com) Invalid mechanisms in SPF-Record!
'include:spf5.wowincaspf.com' exceeds the maximum DNS lookup limit of 10 (RFC7208)(Aktuell: 11)!
OK for 'ip4' -> '96.43.151.72/30'
OK for 'all' -> '~'
OK for 'include' -> 'spf4.wowincaspf.com'
OK for 'include' -> 'spf3.wowincaspf.com'
OK for 'include' -> 'spf2.wowincaspf.com'
OK for 'include' -> 'spf1.wowincaspf.com'
OK for 'include' -> '_spf.salesforce.com'
OK for 'include' -> 'spf.protection.outlook.com'
OK for 'ip4' -> '216.139.200.0/24'
OK for 'ip4' -> '98.129.209.146/32'
OK for 'ip4' -> '96.43.151.78/32'
OK for 'ip4' -> '96.43.151.76/31'
OK for 'v' -> 'spf1'
OK for 'ip4' -> '24.214.228.2/32'
OK for 'ip4' -> '96.43.151.64/30'
OK for 'ip4' -> '96.43.151.64/29'
OK for 'ip4' -> '96.43.151.64/28'
OK for 'ip4' -> '96.43.148.78/32'
OK for 'ip4' -> '96.43.148.76/31'
OK for 'ip4' -> '96.43.148.72/30'
OK for 'ip4' -> '76.73.163.218/32'
OK for 'ip4' -> '96.43.148.68/32'
OK for 'ip4' -> '68.68.30.30/32'
OK for 'ip4' -> '64.233.239.33/32'
OK for 'ip4' -> '64.233.207.78/32'
OK for 'ip4' -> '63.64.8.180/32'
OK for 'ip4' -> '96.43.151.68/32'
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(wideopenwest.com → _spf.google.com) Invalid mechanisms in SPF-Record!
'include:_netblocks.google.com' exceeds the maximum DNS lookup limit of 10 (RFC7208)(Aktuell: 13)!
'include:_netblocks2.google.com' exceeds the maximum DNS lookup limit of 10 (RFC7208)(Aktuell: 14)!
'include:_netblocks3.google.com' exceeds the maximum DNS lookup limit of 10 (RFC7208)(Aktuell: 15)!
OK for 'v' -> 'spf1'
OK for 'all' -> '~'
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(wideopenwest.com → _spf.wow.syn-alias.com) Invalid mechanisms in SPF-Record!
'mx' exceeds the maximum DNS lookup limit of 10 (RFC7208)(Aktuell: 17)!
'mx' cannot be resolved (IPv4)
OK for 'ip4' -> '137.118.128.0/21'
OK for 'all' -> '~'
OK for 'ip4' -> '129.159.98.191'
OK for 'ip4' -> '129.213.176.28'
OK for 'ip4' -> '132.226.42.57'
OK for 'ip4' -> '64.8.71.118'
OK for 'ip4' -> '64.8.71.112'
OK for 'ip4' -> '64.8.71.111'
OK for 'ip4' -> '64.8.71.110'
OK for 'ip4' -> '216.47.210.0/24'
OK for 'ip4' -> '216.47.208.0/24'
OK for 'ip4' -> '216.16.0.0/24'
OK for 'v' -> 'spf1'
OK for 'ip4' -> '24.214.5.254'
OK for 'ip4' -> '75.76.199.6'
OK for 'ip4' -> '75.76.199.2'
OK for 'ip4' -> '69.73.24.0/24'
OK for 'ip4' -> '24.214.64.231'
OK for 'ip4' -> '24.214.64.230'
OK for 'ip4' -> '24.214.64.0/24'
OK for 'ip4' -> '24.214.63.230'
OK for 'ip4' -> '24.214.63.228'
OK for 'ip4' -> '24.214.63.226'
OK for 'ip4' -> '24.214.63.101'
OK for 'ip4' -> '24.124.4.183'
OK for 'ip4' -> '24.124.0.0/24'
OK for 'ip4' -> '137.118.0.0/17'
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(wideopenwest.com → spfmain.wowincaspf.com → spf2.wowincaspf.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '167.216.129.208/31'
OK for 'ip4' -> '157.55.234.0/24'
OK for 'ip4' -> '157.56.110.0/23'
OK for 'ip4' -> '157.56.112.0/24'
OK for 'ip4' -> '167.216.129.170'
OK for 'ip4' -> '167.216.129.182/31'
OK for 'ip4' -> '167.216.129.184/29'
OK for 'ip4' -> '167.216.129.192/29'
OK for 'ip4' -> '167.216.129.200'
OK for 'ip4' -> '167.216.129.205'
OK for 'ip4' -> '167.216.129.206/31'
OK for 'ip4' -> '167.216.129.210'
OK for 'ip4' -> '149.96.13.2'
OK for 'ip4' -> '170.146.220.14/31'
OK for 'ip4' -> '170.146.220.16/31'
OK for 'ip4' -> '170.146.220.96/28'
OK for 'ip4' -> '170.146.220.128/28'
OK for 'ip4' -> '170.146.220.231'
OK for 'ip4' -> '170.146.220.232/31'
OK for 'ip4' -> '170.146.220.234'
OK for 'ip6' -> '2001:4860:4000::/36'
OK for 'ip6' -> '2001:489a:2202::/48'
OK for 'ip6' -> '2404:6800:4000::/36'
OK for 'ip4' -> '216.224.184.186'
OK for 'ip4' -> '149.96.14.2'
OK for 'ip4' -> '149.96.6.6/31'
OK for 'ip4' -> '74.205.242.10'
OK for 'ip4' -> '108.177.96.0/19'
OK for 'ip4' -> '80.169.246.90'
OK for 'ip4' -> '94.236.119.0/26'
OK for 'ip4' -> '94.245.120.64/26'
OK for 'ip4' -> '103.23.64.2'
OK for 'ip4' -> '103.23.65.2'
OK for 'ip4' -> '103.23.66.26'
OK for 'ip4' -> '103.23.67.26'
OK for 'ip4' -> '103.237.104.0/22'
OK for 'ip4' -> '104.47.0.0/17'
OK for 'ip4' -> '108.177.8.0/21'
OK for 'ip4' -> '129.145.17.8/31'
OK for 'ip4' -> '149.96.6.2/31'
OK for 'ip4' -> '129.145.17.10'
OK for 'ip4' -> '130.211.0.0/22'
OK for 'ip4' -> '134.170.140.0/24'
OK for 'ip4' -> '142.0.167.226/31'
OK for 'ip4' -> '142.0.167.228'
OK for 'ip4' -> '149.96.1.26'
OK for 'ip4' -> '149.96.2.26'
OK for 'ip4' -> '149.96.3.26'
OK for 'ip4' -> '149.96.4.26'
OK for 'ip4' -> '149.96.5.2/31'
OK for 'ip4' -> '149.96.5.6/31'
OK for 'all' -> '~'
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(wideopenwest.com) The SPF consists of a permissible character set.
The SPF record of wideopenwest.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com) The SPF consists of a permissible character set.
The SPF record of spfmain.wowincaspf.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com → spf5.wowincaspf.com) The SPF consists of a permissible character set.
The SPF record of spf5.wowincaspf.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com → spf5.wowincaspf.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '199.255.192.0/22'
OK for 'ip4' -> '199.127.232.0/22'
OK for 'ip4' -> '54.240.0.0/18'
OK for 'ip4' -> '69.169.224.0/20'
OK for 'ip4' -> '23.249.208.0/20'
OK for 'ip4' -> '23.251.224.0/19'
OK for 'ip4' -> '76.223.176.0/20'
OK for 'ip4' -> '54.240.64.0/19'
OK for 'ip4' -> '54.240.96.0/19'
OK for 'ip4' -> '143.59.178.115'
OK for 'all' -> '-'
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(wideopenwest.com → spfmain.wowincaspf.com → spf4.wowincaspf.com) The SPF consists of a permissible character set.
The SPF record of spf4.wowincaspf.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com → spf4.wowincaspf.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '216.58.192.0/19'
OK for 'ip4' -> '212.25.240.75'
OK for 'ip4' -> '212.25.240.76'
OK for 'ip4' -> '212.78.165.38'
OK for 'ip4' -> '213.27.251.163'
OK for 'ip4' -> '213.199.154.0/24'
OK for 'ip4' -> '213.199.180.128/26'
OK for 'ip4' -> '213.229.145.149'
OK for 'ip4' -> '216.24.50.98'
OK for 'ip4' -> '216.32.180.0/23'
OK for 'ip4' -> '216.154.214.72'
OK for 'ip4' -> '209.67.243.250'
OK for 'ip4' -> '199.15.212.0/22'
OK for 'ip4' -> '72.3.185.0/24'
OK for 'ip4' -> '72.32.154.0/24'
OK for 'ip4' -> '72.32.217.0/24'
OK for 'ip4' -> '72.32.243.0/24'
OK for 'ip4' -> '94.236.119.0/26'
OK for 'ip4' -> '37.188.97.188/32'
OK for 'ip4' -> '185.28.196.0/22'
OK for 'ip4' -> '192.28.128.0/18'
OK for 'ip4' -> '103.237.104.0/22'
OK for 'ip4' -> '209.85.128.0/17'
OK for 'ip4' -> '209.67.243.202'
OK for 'ip4' -> '204.93.64.13'
OK for 'ip4' -> '208.18.84.0/24'
OK for 'ip4' -> '205.141.244.20'
OK for 'ip4' -> '205.219.85.0/24'
OK for 'ip4' -> '206.71.18.20/31'
OK for 'ip4' -> '207.21.199.174'
OK for 'ip4' -> '207.46.51.64/26'
OK for 'ip4' -> '207.46.100.0/24'
OK for 'ip4' -> '207.46.163.0/24'
OK for 'ip4' -> '207.186.185.110'
OK for 'ip4' -> '207.187.194.0/24'
OK for 'ip4' -> '208.38.61.199'
OK for 'ip4' -> '209.59.223.204'
OK for 'ip4' -> '208.46.212.196'
OK for 'ip4' -> '208.46.212.206/31'
OK for 'ip4' -> '208.46.212.208/31'
OK for 'ip4' -> '208.46.212.210'
OK for 'ip4' -> '208.82.118.139'
OK for 'ip4' -> '208.91.197.160'
OK for 'ip4' -> '208.185.229.0/24'
OK for 'ip4' -> '208.185.235.0/24'
OK for 'ip4' -> '208.251.80.0/24'
OK for 'ip4' -> '208.252.131.0/24'
OK for 'all' -> '~'
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(wideopenwest.com → spfmain.wowincaspf.com → spf3.wowincaspf.com) The SPF consists of a permissible character set.
The SPF record of spf3.wowincaspf.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com → spf3.wowincaspf.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '200.247.123.1'
OK for 'ip4' -> '196.14.35.75'
OK for 'ip4' -> '198.100.46.94'
OK for 'ip4' -> '198.133.214.0/24'
OK for 'ip4' -> '199.15.212.0/22'
OK for 'ip4' -> '199.91.136.26'
OK for 'ip4' -> '199.91.136.28'
OK for 'ip4' -> '199.91.137.26'
OK for 'ip4' -> '199.91.140.26'
OK for 'ip4' -> '199.91.140.28'
OK for 'ip4' -> '200.98.218.133'
OK for 'ip4' -> '200.247.125.242/31'
OK for 'ip4' -> '195.200.255.247'
OK for 'ip4' -> '201.86.51.138'
OK for 'ip4' -> '202.3.8.210'
OK for 'ip4' -> '203.2.191.230'
OK for 'ip4' -> '204.12.111.111'
OK for 'ip4' -> '204.92.19.11'
OK for 'ip4' -> '204.92.19.12/31'
OK for 'ip6' -> '2c0f:fb50:4000::/36'
OK for 'ip4' -> '216.239.32.0/19'
OK for 'ip4' -> '217.108.10.20'
OK for 'ip4' -> '216.236.236.80'
OK for 'ip4' -> '216.182.220.0/23'
OK for 'ip4' -> '195.200.255.248'
OK for 'ip4' -> '195.200.255.124'
OK for 'ip4' -> '170.146.221.14/31'
OK for 'ip4' -> '172.217.0.0/19'
OK for 'ip4' -> '170.146.221.16/31'
OK for 'ip4' -> '170.146.221.96/28'
OK for 'ip4' -> '170.146.221.128/28'
OK for 'ip4' -> '170.146.221.231'
OK for 'ip4' -> '170.146.221.232/31'
OK for 'ip4' -> '170.146.221.234'
OK for 'ip4' -> '170.146.224.15'
OK for 'ip4' -> '170.146.224.16/31'
OK for 'ip4' -> '170.146.226.15'
OK for 'ip4' -> '170.146.226.16/31'
OK for 'ip4' -> '172.217.32.0/20'
OK for 'ip4' -> '195.81.252.0/23'
OK for 'ip4' -> '172.217.128.0/19'
OK for 'ip4' -> '172.217.160.0/20'
OK for 'ip4' -> '172.217.192.0/19'
OK for 'ip4' -> '173.194.0.0/16'
OK for 'ip4' -> '185.28.196.0/22'
OK for 'ip4' -> '185.72.128.75'
OK for 'ip4' -> '185.72.128.76'
OK for 'ip4' -> '187.17.66.212'
OK for 'ip4' -> '192.28.128.0/18'
OK for 'ip4' -> '192.254.114.6'
OK for 'ip4' -> '194.182.254.0/24'
OK for 'all' -> '~'
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(wideopenwest.com → spfmain.wowincaspf.com → spf2.wowincaspf.com) The SPF consists of a permissible character set.
The SPF record of spf2.wowincaspf.com contains valid characters.
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(wideopenwest.com → _spf.google.com → _netblocks.google.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '35.190.247.0/24'
OK for 'ip4' -> '64.233.160.0/19'
OK for 'ip4' -> '66.102.0.0/20'
OK for 'ip4' -> '66.249.80.0/20'
OK for 'ip4' -> '72.14.192.0/18'
OK for 'ip4' -> '74.125.0.0/16'
OK for 'ip4' -> '108.177.8.0/21'
OK for 'ip4' -> '173.194.0.0/16'
OK for 'ip4' -> '209.85.128.0/17'
OK for 'ip4' -> '216.58.192.0/19'
OK for 'ip4' -> '216.239.32.0/19'
OK for 'all' -> '~'
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(wideopenwest.com → spfmain.wowincaspf.com → spf1.wowincaspf.com) The SPF consists of a permissible character set.
The SPF record of spf1.wowincaspf.com contains valid characters.
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(wideopenwest.com → _spf.google.com → _netblocks.google.com) The SPF consists of a permissible character set.
The SPF record of _netblocks.google.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com → spf.protection.outlook.com) The SPF consists of a permissible character set.
The SPF record of spf.protection.outlook.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com → spf.protection.outlook.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '40.92.0.0/15'
OK for 'ip4' -> '40.107.0.0/16'
OK for 'ip4' -> '52.100.0.0/15'
OK for 'ip4' -> '52.102.0.0/16'
OK for 'ip4' -> '52.103.0.0/17'
OK for 'ip4' -> '104.47.0.0/17'
OK for 'ip6' -> '2a01:111:f400::/48'
OK for 'ip6' -> '2a01:111:f403::/49'
OK for 'ip6' -> '2a01:111:f403:8000::/51'
OK for 'ip6' -> '2a01:111:f403:c000::/51'
OK for 'ip6' -> '2a01:111:f403:f000::/52'
OK for 'all' -> '-'
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(wideopenwest.com → spfmain.wowincaspf.com → _spf.salesforce.com) The SPF consists of a permissible character set.
The SPF record of _spf.salesforce.com contains valid characters.
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(wideopenwest.com → spfmain.wowincaspf.com → _spf.salesforce.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
Correct syntax for 'exists' -> '%{i}._spf.mta.salesforce.com'.
OK for 'all' -> '-'
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(wideopenwest.com → _spf.wow.syn-alias.com) The SPF consists of a permissible character set.
The SPF record of _spf.wow.syn-alias.com contains valid characters.
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(wideopenwest.com → _spf.google.com) The SPF consists of a permissible character set.
The SPF record of _spf.google.com contains valid characters.
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(wideopenwest.com → _spf.google.com → _netblocks3.google.com) The SPF consists of a permissible character set.
The SPF record of _netblocks3.google.com contains valid characters.
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(wideopenwest.com → _spf.google.com → _netblocks3.google.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '172.217.0.0/19'
OK for 'ip4' -> '172.217.32.0/20'
OK for 'ip4' -> '172.217.128.0/19'
OK for 'ip4' -> '172.217.160.0/20'
OK for 'ip4' -> '172.217.192.0/19'
OK for 'ip4' -> '172.253.56.0/21'
OK for 'ip4' -> '172.253.112.0/20'
OK for 'ip4' -> '108.177.96.0/19'
OK for 'ip4' -> '35.191.0.0/16'
OK for 'ip4' -> '130.211.0.0/22'
OK for 'all' -> '~'
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(wideopenwest.com → _spf.google.com → _netblocks2.google.com) The SPF consists of a permissible character set.
The SPF record of _netblocks2.google.com contains valid characters.
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(wideopenwest.com → _spf.google.com → _netblocks2.google.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip6' -> '2001:4860:4000::/36'
OK for 'ip6' -> '2404:6800:4000::/36'
OK for 'ip6' -> '2607:f8b0:4000::/36'
OK for 'ip6' -> '2800:3f0:4000::/36'
OK for 'ip6' -> '2a00:1450:4000::/36'
OK for 'ip6' -> '2c0f:fb50:4000::/36'
OK for 'all' -> '~'
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(wideopenwest.com → spfmain.wowincaspf.com → spf1.wowincaspf.com) Mechanisms of SPF-Record are valid
OK for 'v' -> 'spf1'
OK for 'ip4' -> '72.32.154.0/24'
OK for 'ip4' -> '66.244.67.20'
OK for 'ip4' -> '66.244.67.50'
OK for 'ip4' -> '66.244.75.100'
OK for 'ip4' -> '66.249.80.0/20'
OK for 'ip4' -> '67.20.168.22'
OK for 'ip4' -> '67.223.238.193'
OK for 'ip4' -> '69.38.186.140'
OK for 'ip4' -> '69.65.34.50'
OK for 'ip4' -> '69.65.34.61'
OK for 'ip4' -> '72.3.185.0/24'
OK for 'ip4' -> '72.14.192.0/18'
OK for 'ip4' -> '72.32.217.0/24'
OK for 'ip4' -> '66.102.0.0/20'
OK for 'ip4' -> '72.32.243.0/24'
OK for 'ip4' -> '72.34.168.75'
OK for 'ip4' -> '72.34.168.76'
OK for 'ip4' -> '74.63.202.182'
OK for 'ip4' -> '74.125.0.0/16'
OK for 'ip4' -> '74.205.242.3'
OK for 'ip4' -> '74.205.242.7'
OK for 'ip6' -> '2607:f8b0:4000::/36'
OK for 'ip6' -> '2800:3f0:4000::/36'
OK for 'ip6' -> '2a00:1450:4000::/36'
OK for 'ip6' -> '2a01:111:f400::/48'
OK for 'ip4' -> '66.240.176.51'
OK for 'ip4' -> '65.55.169.0/24'
OK for 'ip4' -> '12.45.141.253'
OK for 'ip4' -> '37.188.97.188'
OK for 'ip4' -> '23.103.128.0/19'
OK for 'ip4' -> '23.103.191.0/24'
OK for 'ip4' -> '23.103.198.0/23'
OK for 'ip4' -> '23.103.200.0/21'
OK for 'ip4' -> '23.103.208.0/21'
OK for 'ip4' -> '35.190.247.0/24'
OK for 'ip4' -> '35.191.0.0/16'
OK for 'ip4' -> '37.98.232.12'
OK for 'ip4' -> '37.98.232.26'
OK for 'ip4' -> '37.98.234.26'
OK for 'ip4' -> '37.98.235.26'
OK for 'ip4' -> '40.92.0.0/15'
OK for 'ip4' -> '65.55.88.0/24'
OK for 'ip4' -> '40.107.0.0/16'
OK for 'ip4' -> '52.100.0.0/14'
OK for 'ip4' -> '62.209.53.67'
OK for 'ip4' -> '63.131.134.26'
OK for 'ip4' -> '64.4.22.64/26'
OK for 'ip4' -> '64.28.83.109'
OK for 'ip4' -> '64.37.236.0/23'
OK for 'ip4' -> '64.89.45.192/30'
OK for 'ip4' -> '64.89.45.196'
OK for 'ip4' -> '64.89.45.204'
OK for 'ip4' -> '64.106.185.81'
OK for 'ip4' -> '64.233.160.0/19'
OK for 'all' -> '~'
|
SPF record available?
We found an SPF record for the domain.
Are the server addresses allowed to send e-mails?
The mechanism 'a' was set in the SPF record. The following IP addresses are allowed to send
Are the registered mail servers allowed to send e-mails?
The mechanism 'mx' was set in the SPF entry. The following hosts are allowed to send
Additionally authorized IPv4 addresses
Explicit IPv4 addresses in the SPF record have been authorized to send
Additional external SPF records
We could find other records authorized in the SPF record
E-Mail handling
How should the checkHost() function of the e-mail server handle the e-mail? (syntax )
Will be forwarded to another SPF record?
There is no reference to any other SPF record
Additionally authorized A-records?
In addition to the A-Records stored in the DNS, we could not find any other records authorized in the SPF-Record.
Additionally authorized MX records
We could not find any other records authorized in the SPF record besides the MX records stored in the DNS
Additionally authorized IPv6 addresses
No explicit IPv6 addresses in the SPF record have been authorised to send
How is the sender informed?
The exp mechanism acts as a return to the sender if the IP address was not authorized to send and notify them. None was found.
PTR (obsolete mechanism)
The ptr mechanism is deprecated, slow and insecure and should not be used
PTR:
The ptr mechanism is deprecated, slow and insecure and should not be used
Authorize IP addresses with markers
When SPF is evaluated, macros can specifically authorize Ip addresses based on the request or connection of the user or client (RFC7208 )
Receiver address
analysis.ra-missing
Amount of reports
analysis.rp-missing
Report selection
analysis.rr-missing
Unknown mechanisms
No unknown mechanisms were found in the SPF record.
Server IP Address
We have determined the following IP address for the domain:
No domain specified
Reverse address
We have determined the following name for the server IP address:
www.wowway.com
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