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Email authentication

example.com email authentication

Combined SPF, DMARC, and DKIM validation for this domain.

Email authentication audit

Summary

Partial email authentication

2/3 layers passed

SPF: Pass
DMARC: Pass
DKIM: Needs work

Recommendations

Email authentication is partially configured — fix failing layers before DMARC enforcement.None of the checked DKIM selectors returned a valid record — add your provider selector.

SPF

SPF validation

Record found

Valid SPF record

Query name

example.com

Terminal all

-

DNS lookup count

0

SPF record count

1

SPF record

v=spf1 -all

Mechanisms

-all

Recommendations

pair with DMARC Analyzer and DKIM Validator before tightening mail authentication enforcement

DMARC

DMARC analysis

Record found

Valid DMARC record

Policy

reject

Subdomain policy

reject

Alignment

{ "dkim": "s", "spf": "s" }

Enforcement percentage

100

DMARC record

v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s

Warnings

aggregate report URI rua is missing

Recommendations

add a rua=mailto: address to receive aggregate reports

DKIM

google

google._domainkey.example.com

Invalid DKIM record

google._domainkey.example.com

DKIM record found

Public key revoked (empty p= tag)

Queried record

google._domainkey.example.com

Version

DKIM1

Key type

rsa

Query time

17 ms

Warnings

public key is revoked (empty p= tag)

Raw TXT record

v=DKIM1; p=

selector1

selector1._domainkey.example.com

Invalid DKIM record

selector1._domainkey.example.com

DKIM record found

Public key revoked (empty p= tag)

Queried record

selector1._domainkey.example.com

Version

DKIM1

Key type

rsa

Query time

16 ms

Warnings

public key is revoked (empty p= tag)

Raw TXT record

v=DKIM1; p=

k1

k1._domainkey.example.com

Invalid DKIM record

k1._domainkey.example.com

DKIM record found

Public key revoked (empty p= tag)

Queried record

k1._domainkey.example.com

Version

DKIM1

Key type

rsa

Query time

16 ms

Warnings

public key is revoked (empty p= tag)

Raw TXT record

v=DKIM1; p=

s1

s1._domainkey.example.com

Invalid DKIM record

s1._domainkey.example.com

DKIM record found

Public key revoked (empty p= tag)

Queried record

s1._domainkey.example.com

Version

DKIM1

Key type

rsa

Query time

16 ms

Warnings

public key is revoked (empty p= tag)

Raw TXT record

v=DKIM1; p=

default

default._domainkey.example.com

Invalid DKIM record

default._domainkey.example.com

DKIM record found

Public key revoked (empty p= tag)

Queried record

default._domainkey.example.com

Version

DKIM1

Key type

rsa

Query time

16 ms

Warnings

public key is revoked (empty p= tag)

Raw TXT record

v=DKIM1; p=

Tool switcher

Same target (example.com) — open the next tool without retyping.

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Guides

Practical guides for common Email Auth Checker tasks — DNS records, troubleshooting steps, and links to our free tools.

Back to Email Auth Checker