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jpn.com

Checked 2026-10-22 09:25 UTC · first added 2026-10-21
✗Problems found Score 78 of 100

Domain & DNS

warn

27 passed 2 warn 0 failed

Areas

iRegistration iDelegation iNameservers !SOA !DNSSEC iRecords

Problems

  • !
    Unusual SOA timers
    SOA · refresh 15m is outside 20m–1d; retry 30m should be shorter than refresh 15m. Current values: refresh 15m, retry 30m, expire 70d, negative TTL 1h.
    #23
  • !
    Deprecated algorithm
    DNSSEC · SHA-1 based algorithms are deprecated and rejected by some validators: RSASHA1-NSEC3-SHA1 (7). Roll over to ECDSAP256SHA256 (13).
    #29

Recent checks

!

Full report

Domain & DNS report for jpn.com ›

Mail

fail

10 passed 2 warn 1 failed

Areas

✓SPF ✗DMARC !DKIM ✓DNSSEC !MX iBIMI

Problems

  • ✗
    No DMARC record
    DMARC · No DMARC record was found for this domain. DMARC is essential for preventing email spoofing. Add a DMARC record with p=reject or at least p=quarantine.
    #5
  • !
    No key under common selectors
    DKIM · The _domainkey name exists but no DKIM key was found under the common selectors. Selectors are provider-specific; check yours with -selector.
    #7
  • !
    Not protected against spoofing
    MX · The domain publishes a null MX. If it does not send mail, publish DMARC p=reject so nobody can send mail as this domain.
    #28

Recent checks

✗

Full report

Mail report for jpn.com ›