SurfaceMap › u › uni-saarland.de

uni-saarland.de

Checked 2026-10-22 00:50 UTC · first added 2026-10-21
✗Problems found Score 72 of 100

Domain & DNS

warn

21 passed 2 warn 0 failed

Areas

iRegistration !Delegation iNameservers ✓SOA !DNSSEC ✓Records

Problems

  • !
    NS sets differ
    Delegation · The nameservers at the parent and in the zone should be the same. Only at the parent: ns.uni-sb.de. dns-1.dfn.de, ns.cs.uni-sb.de, ns.rz.uni-saarland.de, ns.uni-sb.de, ns1.rz.uni-saarland.de report NS dns-1.dfn.de ns.cs.uni-sb.de ns.rz.uni-saarland.de ns1.rz.uni-saarland.de.
    #7
  • !
    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 uni-saarland.de ›

Mail

fail

16 passed 4 warn 1 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 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 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: m-relay2.rz.uni-saarland.de, m-relay.rz.uni-saarland.de
    #11
  • !
    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 uni-saarland.de ›