Email authentication
letsencrypt.org email authentication
Combined SPF, DMARC, and DKIM validation for this domain.
Email authentication audit
Summary
Email authentication looks healthy
3/3 layers passed
Recommendations
SPF, DMARC, and at least one DKIM selector look valid for this domain.SPF
SPF validation
Record found
Valid SPF record
Query name
letsencrypt.org
Terminal all
-
DNS lookup count
3
SPF record count
1
SPF record
v=spf1 include:_spf.google.com ip4:23.178.112.0/24 ip4:66.133.109.36 ip4:64.78.152.132 include:mail.zendesk.com include:_spf.intacct.com -all
Mechanisms
+include:_spf.google.com+ip4:23.178.112.0/24+ip4:66.133.109.36+ip4:64.78.152.132+include:mail.zendesk.com+include:_spf.intacct.com-allRecommendations
pair with DMARC Analyzer and DKIM Validator before tightening mail authentication enforcementDMARC
DMARC analysis
Record found
Valid DMARC record
Policy
reject
Subdomain policy
Alignment
{ "dkim": "r", "spf": "r" }
Enforcement percentage
100
DMARC record
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1
Reporting
mailto:[email protected]Warnings
relaxed alignment is enabledDKIM
google._domainkey.letsencrypt.org
Valid DKIM record
google._domainkey.letsencrypt.org
Queried record
google._domainkey.letsencrypt.org
Version
DKIM1
Key type
rsa · 1024 bit
Query time
17 ms
Warnings
1024-bit RSA key: consider upgrading to 2048-bitRaw TXT record
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEBV+uacEmkQqqZMwwF+Kv6oEvaPy/zDOancu+DAemWPty49Sc3PR7n+Il8JGnz8j0Ldv95ch9SGNVuvvRh5PRdoPdNsFjrfkxvSQsC7r1fXMxo2/QnYCTA9f42LB1PMgCUaqKPE3muAUWVq+6w07UTyrY9nCvtuXNm4GZvfAbfwIDAQAB
Public key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEBV+uacEmkQqqZMwwF+Kv6oEvaPy/zDOancu+DAemWPty49Sc3PR7n+Il8JGnz8j0Ldv95ch9SGNVuvvRh5PRdoPdNsFjrfkxvSQsC7r1fXMxo2/QnYCTA9f42LB1PMgCUaqKPE3muAUWVq+6w07UTyrY9nCvtuXNm4GZvfAbfwIDAQAB
selector1
selector1._domainkey.letsencrypt.org
No DKIM record found
selector1._domainkey.letsencrypt.org
Queried record
selector1._domainkey.letsencrypt.org
Query time
19 ms
Errors
- no DKIM record found at selector1._domainkey.letsencrypt.org
k1
k1._domainkey.letsencrypt.org
No DKIM record found
k1._domainkey.letsencrypt.org
Queried record
k1._domainkey.letsencrypt.org
Query time
19 ms
Errors
- no DKIM record found at k1._domainkey.letsencrypt.org
s1
s1._domainkey.letsencrypt.org
No DKIM record found
s1._domainkey.letsencrypt.org
Queried record
s1._domainkey.letsencrypt.org
Query time
22 ms
Errors
- no DKIM record found at s1._domainkey.letsencrypt.org
default
default._domainkey.letsencrypt.org
No DKIM record found
default._domainkey.letsencrypt.org
Queried record
default._domainkey.letsencrypt.org
Query time
23 ms
Errors
- no DKIM record found at default._domainkey.letsencrypt.org