SPF
Which servers can send email as your domain.
- DNS lookups
- 0/10
No record found.
- •No SPF record found. Add a TXT record starting with 'v=spf1'.
DKIM
Cryptographic signature proving message integrity.
No record found.
- •No DKIM record found via common selectors — enter your selector for an accurate check.
DMARC
Policy for handling messages that fail SPF/DKIM.
- Policy
- quarantine
- Reports
- Configured
- RUA
- reports@rua.getmailposture.com
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;
MX Records
Where mail for this domain is delivered.
No MX records found.
Recommended fixes
Ordered by severity. Copy the record, paste it at your DNS registrar, and re-scan.
Add a missing SPF record
criticalv=spf1 include:_spf.google.com ~all
- 1Identify all services that send email on your behalf (Google Workspace, Resend, etc.).
- 2Add a TXT record at your root domain (@) with the value shown (adjust includes for your senders).
- 3Wait for DNS propagation (up to 24-48h) then re-scan.
DNS -> Records -> Add record -> Type: TXT -> Name: as specified -> Content: paste value -> Save.
Fix missing MX records
critical10 mail.yourprovider.com
- 1Add MX records pointing to your email provider (e.g. Google Workspace, Microsoft 365).
- 2Verify priority values match your provider's documentation.
DNS -> Records -> Add record -> Type: MX -> Mail server + Priority -> Save.
DKIM selector not detected
lowNo DNS record to add yet — we couldn't automatically find your DKIM selector to verify it.
- 1DKIM selectors are not publicly discoverable, so we couldn't verify your key automatically.
- 2If you know your DKIM selector, enter it on the domain's settings page and re-scan for an accurate check.
- 3If you're not sure, check your email provider's admin console for the selector name.
DNS -> Records -> Add record -> Type: TXT -> Name: as specified -> Content: paste value -> Save.
Monitor pdf-c.com 24/7
Get instant email alerts the moment your SPF, DKIM, or DMARC records change or break -- before it costs you deliverability.
Start monitoringWhat is SPF?
SPF (Sender Policy Framework) is a DNS TXT record that lists which mail servers are authorized to send email on behalf of pdf-c.com. Receiving servers check the sending IP against this list; anything not listed can be rejected or marked as spam.
What is DKIM?
DKIM (DomainKeys Identified Mail) cryptographically signs outgoing messages from pdf-c.com, letting receiving servers verify the message wasn't altered in transit and genuinely came from an authorized sender.
What is DMARC?
DMARC ties SPF and DKIM together for pdf-c.com, defining what receiving servers should do when a message fails both checks -- and where to send aggregate reports so you can monitor abuse of your domain.