Email Security

SPF, DKIM, DMARC, BIMI and email authentication analysis
Score
95/100
SPF
Present
DKIM
Key present
DMARC
REJECT
Findings
8

SPF

Status: Present
Policy
-ALL
Lookups
6
Void Lookups
0
Record
v=spf1 ip4:199.15.212.0/22 ip4:173.245.48.0/20 include:_spf.google.com include:spf1.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com include:stspg-customer.com include:_spf.salesforce.com -all
  • cloudflare.com (v=spf1 ip4:199.15.212.0/22 ip4:173.245.48.0/20 include:_spf.google.com include:spf1.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com include:stspg-customer.com include:_spf.salesforce.com -all)
    • spf1.mcsv.net (v=spf1 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ?all)
    • spf.mandrillapp.com (v=spf1 ip4:198.2.128.0/24 ip4:198.2.132.0/22 ip4:198.2.136.0/23 ip4:198.2.145.0/24 ip4:198.2.186.0/23 ip4:205.201.131.0/24 ip4:205.201.134.128/25 ip4:205.201.136.0/23 ip4:205.201.139.0/24 ip4:198.2.177.0/24 ip4:198.2.178.0/23 ip4:198.2.180.0/24 ~all)
    • mail.zendesk.com (v=spf1 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ~all)
    • stspg-customer.com (v=spf1 ip4:23.253.182.103 ip4:23.253.183.145 ip4:23.253.183.146 ip4:23.253.183.147 ip4:23.253.183.148 ip4:23.253.183.150 ip4:166.78.68.221 ip4:167.89.46.159 ip4:167.89.64.9 ip4:167.89.65.0 ip4:167.89.65.53 ip4:167.89.65.100 ip4:167.89.74.233 ip4:167.89.75.33 ip4:167.89.75.126 ip4:167.89.75.136 ip4:167.89.75.164 ip4:192.237.159.42 ip4:192.237.159.43 ip4:159.112.242.162 ip4:159.135.228.10 ip4:198.244.56.107 ip4:198.244.56.108 ip4:198.244.56.109 ip4:198.244.56.111 ip4:198.244.56.112 ip4:198.244.56.113 ip4:198.244.56.114 ip4:198.244.56.115 ip4:204.220.181.105 ~all)

SPF defines which mail servers are allowed to send email for this domain. Receivers use it to reduce spoofing by checking whether the sending server is authorized by the published SPF record.