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ru.com

Checked 2026-10-22 10:33 UTC · first added 2026-10-21
✗Problems found Score 81 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 ru.com ›

Mail

fail

16 passed 1 warn 1 failed

Areas

✓SPF !DMARC ✗DKIM ✓DNSSEC iMX iBIMI

Problems

  • ✗
    No DKIM keys published
    DKIM · _domainkey.ru.com does not exist (NXDOMAIN), so no DKIM keys are published. DKIM helps prevent email spoofing. Configure DKIM with your email service provider.
    #7
  • !
    No aggregate reports (rua)
    DMARC · DMARC record has no rua tag, so you receive no aggregate reports about who sends mail as your domain. Add rua=mailto:...
    #19

Recent checks

✗

Full report

Mail report for ru.com ›