Instant checks for DMARC, SPF, and BIMI with clear, actionable guidance.
No DMARC record found.
This domain exists but no record is published yet. Without DMARC, protection and reporting won’t apply.
Protect your domain from email spoofing. Create a DMARC monitoring inbox with us to get started with email authentication and receive detailed reports about who's sending email on your behalf.
No BIMI Record Found
Publish a TXT record at default._bimi.lamoncloa.gob.es with v=BIMI1, logo URL (l=) and optional verified mark certificate (a=).
SPF record is valid.
v=spf1 ip4:212.128.108.45 ip4:212.128.108.46 -all
Syntax Check
OK
DNS Lookup Count
0 / 10 max
Void Lookups
0 / 2 max
Fail: Reject emails from unauthorized servers (recommended for production)
Grouped by DNS record source (includes and sub-includes)
Records checked less than a minute ago.
Rate limit: max 1 refresh every 10 minutes
Run a free email authentication check (DMARC, SPF, BIMI).
We will generate a new page, share it with your IT guy.
Try popular examples: google.com, amazon.com, gov.uk
We analyze your domain's email authentication: DMARC policy and alignment, SPF record and includes, and BIMI logo/CV when present.
Healthy authentication improves delivery and blocks spoofing. Major inbox providers increasingly require DMARC and robust SPF/DKIM practices for senders.
While our free DNS checker gives you a snapshot, register with us to get a clear understanding of your email reputation.
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