nikkei.com

p=quarantine (_dmarc.nikkei.com)

Found

Record

v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc-nikkeicom@mx.nikkei.com

Found at

_dmarc.nikkei.com

Checks

• !

  Policy: quarantine

  DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.

  #4
• ✓ Record published #5

  DMARC record exists for this domain.
• ✓ Valid syntax #17

  DMARC record syntax is valid.
• ✓ Applies to 100% of mail #18

  DMARC policy applies to all failing mail.
• ✓ Aggregate reports enabled #19

  Aggregate reports are sent to: mailto:dmarc-nikkeicom@mx.nikkei.com
• ✓ Subdomain policy: quarantine #20

  Subdomains are covered by policy 'quarantine'.
• ✓ Report addresses in own domain #29

  All report addresses are in your own organizational domain.

Selectors: s1, s2

Found

Selectors

s1, s2

_domainkey

NXDOMAIN

Checks

• ✓ Keys found: s1, s2 #7

  DKIM keys found for this domain with selectors: s1, s2
• !

  1024-bit DKIM key

  1024-bit RSA keys are the minimum and are considered weak today: s2 (1024 bits). Rotate to a 2048-bit key.

  #23
• ✓ No problematic flags #24

  No keys in test mode, revoked, or limited to SHA-1.

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

No MX records found

Checks

• !

  No MX records

  No MX records found. If this domain is used for email, add MX records to specify mail servers. If it never receives mail, publish a null MX ("MX 0 .").

  #9
• i

  Not protected against spoofing

  The domain has no MX records. If it does not send mail, publish SPF "v=spf1 -all" and DMARC p=reject so nobody can send mail as this domain.

  #28