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rs-online.com

Checked 2026-10-22 10:32 UTC · first added 2026-10-21
✗Problems found Score 62 of 100

Domain & DNS

fail

24 passed 3 warn 1 failed

Areas

✗Registration iDelegation !Nameservers ✓SOA !DNSSEC !Records

Problems

  • ✗
    Expires in 13 days
    Registration · The registration expires on 2026-11-04. Renew it now or enable auto-renewal.
    #3
  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-40.akam.net: "41824.10"; a1-40.akam.net: "41824.11"; a11-67.akam.net: "41824.6"; a11-67.akam.net: "41824.10"; a16-64.akam.net: "48878.33"; a16-64.akam.net: "48878.27"; a20-65.akam.net: "48878.29"; a20-65.akam.net: "48878.33"; a24-66.akam.net: "48878.32"; a24-66.akam.net: "48878.33"; a9-67.akam.net: "41824.8"; a9-67.akam.net: "41824.9". Hide or replace the version string.
    #17
  • !
    Not signed
    DNSSEC · The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27
  • !
    Very low TTLs
    Records · These records have a TTL below 5m, causing extra queries and slower lookups: A (20s). Low TTLs are useful just before a planned change. The NS TTL at the parent is 2d and in the zone 1h; resolvers may use either.
    #32

Recent checks

✗

Full report

Domain & DNS report for rs-online.com ›

Mail

fail

16 passed 3 warn 1 failed

Areas

✓SPF !DMARC ✗DKIM !DNSSEC !MX ✓BIMI

Problems

  • ✗
    No DKIM keys published
    DKIM · _domainkey.rs-online.com does not exist (NXDOMAIN), so no DKIM keys are published. DKIM helps prevent email spoofing. Configure DKIM with your email service provider.
    #7
  • !
    Policy: quarantine
    DMARC · DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.
    #4
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    No MX records
    MX · 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

Recent checks

✗

Full report

Mail report for rs-online.com ›