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zhibo8.com

Checked 2026-10-22 11:43 UTC · first added 2026-10-21
✗Problems found Score 46 of 100

Domain & DNS

fail

21 passed 4 warn 1 failed

Areas

iRegistration !Delegation !Nameservers !SOA !DNSSEC ✗Records

Problems

  • ✗
    CNAME at the apex
    Records · The zone apex is a CNAME to alb-eb3r1d7l5svtqr0j1p.cn-hangzhou.alb.aliyuncsslb.com. A CNAME can't coexist with the SOA and NS records (RFC 1034); use your provider's ALIAS/flattening feature instead.
    #33
  • !
    NS sets differ
    Delegation · The nameservers at the parent and in the zone should be the same. Only at the parent: ns1.dnsv2.com, ns2.dnsv2.com; only in the zone: ns3.dnsv4.com, ns4.dnsv4.com. ns1.dnsv2.com, ns2.dnsv2.com, ns3.dnsv4.com, ns4.dnsv4.com report NS ns3.dnsv4.com ns4.dnsv4.com.
    #7
  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns1.dnsv2.com: "DNSPod AUTHORITY DNS 7.3.2512.01"; ns2.dnsv2.com: "DNSPod AUTHORITY DNS 7.3.2512.01"; ns3.dnsv4.com: "DNSPod AUTHORITY DNS 7.3.2512.01"; ns4.dnsv4.com: "DNSPod AUTHORITY DNS 7.3.2512.01". Hide or replace the version string.
    #17
  • !
    Unusual SOA timers
    SOA · negative caching TTL (minimum) 3m is outside 5m–1d (RFC 2308 recommends 1–3 hours). Current values: refresh 1h, retry 3m, expire 14d, negative TTL 3m.
    #23
  • !
    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

Recent checks

✗

Full report

Domain & DNS report for zhibo8.com ›

Mail

fail

15 passed 4 warn 2 failed

Areas

✓SPF ✗DMARC ✗DKIM !DNSSEC !MX !TLS 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 DKIM keys published
    DKIM · _domainkey.zhibo8.com does not exist (NXDOMAIN), so no DKIM keys are published. DKIM helps prevent email spoofing. Configure DKIM with your email service provider.
    #7
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: mxbiz1.qq.com, mxbiz2.qq.com
    #11
  • !
    Addresses without reverse DNS
    MX · These MX addresses have no PTR record, which many receivers treat as a spam signal: 103.86.78.2 (mxbiz1.qq.com), 103.86.78.3 (mxbiz1.qq.com), 43.154.252.16 (mxbiz2.qq.com), 43.154.252.202 (mxbiz2.qq.com). Ask your hosting provider to set one.
    #30
  • !
    Not configured
    TLS · MTA-STS is not configured, so other mail servers fall back to unencrypted delivery when TLS fails or is stripped by an attacker. Publish a _mta-sts TXT record and a policy at https://mta-sts.<domain>/.well-known/mta-sts.txt.
    #32

Recent checks

✗

Full report

Mail report for zhibo8.com ›