yupoo.com

Checked 22 October 2026, 11:42 UTC · via 8.8.8.8
✗Problems found
5 passed 3 warnings 2 failed 3 info

SPF

fail

No SPF record found

Checks

  • ✗
    No SPF record
    No SPF record was found for this domain. SPF is important for preventing email spoofing. Add an SPF record to specify which servers are authorized to send email for your domain.
    #6

DMARC

fail

p=none (_dmarc.yupoo.com)

Found

Record
v=DMARC1; p=none; rua=mailto:ep@upai.com
Found at
_dmarc.yupoo.com
External report address
mailto:ep@upai.com (not authorized)
TagValueMeaning
vDMARC1Version
pnonePolicy
ruamailto:ep@upai.comAggregate report addresses

Checks

  • ✗
    Policy: none (monitoring only)
    DMARC policy is set to 'none', which only monitors but doesn't protect against spoofing. Consider upgrading to 'quarantine' or ideally 'reject'.
    #4
  • ✓ Record published #5
    DMARC record exists for this domain.
  • ✓ Valid syntax #17
    DMARC record syntax is valid.
  • ✓ Aggregate reports enabled #19
    Aggregate reports are sent to: mailto:ep@upai.com
  • !
    Report address not authorized
    These report addresses are in another domain that has not agreed to receive your reports, so receivers will not send them: mailto:ep@upai.com (needs yupoo.com._report._dmarc.upai.com). Ask the report provider to publish the record, or check the address.
    #29

DKIM

warn

Selectors: google

Found

Selectors
google
_domainkey
NOERROR
SelectorKeyFlags
googleRSA 1024 bits

Checks

  • ✓ Keys found: google #7
    DKIM keys found for this domain with selectors: google
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: google (1024 bits). Rotate to a 2048-bit key.
    #23
  • ✓ No problematic flags #24
    No keys in test mode, revoked, or limited to SHA-1.

DNSSEC

warn

Not signed

Found

DNSKEY records
No (0)
DS at parent
No

Checks

  • !
    Not enabled
    DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8

MX

info

DNS query for yupoo.com returned SERVFAIL

Checks

  • i
    Could not be checked
    The MX lookup failed, so this could not be checked: DNS query for yupoo.com returned SERVFAIL
    #9

TLS

info

no MTA-STS · no TLS-RPT

Lookup error: DNS query for _mta-sts.yupoo.com returned SERVFAIL

Checks

  • i
    Could not be checked
    The MTA-STS lookup failed, so this could not be checked: DNS query for _mta-sts.yupoo.com returned SERVFAIL
    #32

BIMI

info

DNS query for default._bimi.yupoo.com returned SERVFAIL

Checks

  • i
    Could not be checked
    The BIMI lookup failed, so this could not be checked: DNS query for default._bimi.yupoo.com returned SERVFAIL
    #38