Email Security

SPF, DKIM, DMARC, BIMI and email authentication analysis
Score
85/100
SPF
Valid
DKIM
Key present
DMARC
NONE
Findings
5

SPF

Status: Valid
Policy
-ALL
Lookups
7
Void Lookups
0
Record
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.curanet.dk include:mail.zendesk.com include:emsd1.com -all
  • aveo.dk (v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.curanet.dk include:mail.zendesk.com include:emsd1.com -all)
    • spf.protection.outlook.com (v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all)
    • spf.emailsignatures365.com (v=spf1 ip4:20.92.116.22 ip4:40.86.225.121 ip4:13.74.137.176 ip4:40.113.3.253 ip4:20.49.202.3 ip4:52.240.209.173 ip4:13.93.42.39 ip4:104.42.172.251 ip4:20.79.220.33 ip4:20.42.205.31 ip4:52.138.216.130 ip4:20.98.2.159 ip4:20.93.157.195 ip4:40.86.217.129 ip4:23.100.56.64 ip4:20.58.22.103 ip4:23.100.43.194 ip4:20.79.222.204 ip4:13.77.59.28 ip4:40.114.221.220 ip4:20.97.70.227 ip4:40.69.19.60 ip4:52.170.22.60 ip4:13.94.95.171 ip4:51.11.109.172 -all)
    • spf.curanet.dk (v=spf1 include:_netblocks.zitcom.dk include:_netblocks2.zitcom.dk ~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)
    • emsd1.com (v=spf1 ip4:173.236.20.0/24 ip4:192.92.97.0/24 ip4:52.128.40.0/21 ip4:217.8.118.0/24 ip4:103.229.233.0/24 ~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.