Email authentication
Cached SPF record analysis for this domain.
No DMARC record found
Policy
none
Subdomain policy
Alignment
Enforcement percentage
DMARC record
Recommendations
pair with DMARC Analyzer and DKIM Validator before tightening mail authentication enforcementTool switcher
Same target (example.com) — open the next tool without retyping.
Practical guides for common SPF Validator tasks — DNS records, troubleshooting steps, and links to our free tools.
spf txt record basics, spf validator, v=spf1
SPF TXT record basics at the domain apex. SPF authorizes mail senders through a single v=spf1 TXT record published at the domain apex, not at _dmarc or DKIM selectors. DN01 returns parsed mechanisms, lookup estimates, warnings, and a shareable result URL for the same domain after DNS changes.
Read article →include mechanisms third party senders, spf validator, v=spf1
Include mechanisms and third-party senders. SPF authorizes mail senders through a single v=spf1 TXT record published at the domain apex, not at _dmarc or DKIM selectors. DN01 returns parsed mechanisms, lookup estimates, warnings, and a shareable result URL for the same domain after DNS changes.
Read article →terminal all qualifiers, spf validator, v=spf1
Terminal all qualifiers: pass, fail, softfail, neutral. SPF authorizes mail senders through a single v=spf1 TXT record published at the domain apex, not at _dmarc or DKIM selectors. DN01 returns parsed mechanisms, lookup estimates, warnings, and a shareable result URL for the same domain after DNS changes.
Read article →spf dns lookup limit, spf validator, v=spf1
SPF DNS lookup limit and flattening. SPF authorizes mail senders through a single v=spf1 TXT record published at the domain apex, not at _dmarc or DKIM selectors. DN01 returns parsed mechanisms, lookup estimates, warnings, and a shareable result URL for the same domain after DNS changes.
Read article →spf dmarc alignment, spf validator, v=spf1
SPF alignment with DMARC enforcement. SPF authorizes mail senders through a single v=spf1 TXT record published at the domain apex, not at _dmarc or DKIM selectors. DN01 returns parsed mechanisms, lookup estimates, warnings, and a shareable result URL for the same domain after DNS changes.
Read article →shareable spf validator results, spf validator, v=spf1
Shareable SPF validator result pages. SPF authorizes mail senders through a single v=spf1 TXT record published at the domain apex, not at _dmarc or DKIM selectors. DN01 returns parsed mechanisms, lookup estimates, warnings, and a shareable result URL for the same domain after DNS changes.
Read article →