SurfaceMap › b › blb-karlsruhe.de

blb-karlsruhe.de

Checked 2026-10-21 21:48 UTC · first added 2026-10-21
!Passed with warnings Score 85 of 100

Domain & DNS

warn

24 passed 2 warn 0 failed

Areas

iRegistration iDelegation !Nameservers ✓SOA !DNSSEC ✓Records

Problems

  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: dns1.belwue.de: "PowerDNS Authoritative Server 4.5.5 (built Dec 8 2022 18:24:18 by root@a309361b6303)"; dns3.belwue.de: "PowerDNS Authoritative Server 4.5.5 (built Dec 8 2022 18:24:18 by root@a309361b6303)"; dns5.belwue.de: "PowerDNS Authoritative Server 4.5.5 (built Dec 8 2022 18:24:18 by root@a309361b6303)". Hide or replace the version string.
    #17
  • !
    Signatures expire soon
    DNSSEC · The earliest signature expires at 2026-10-28 20:32 UTC (in 167h0m0s). Check that automatic re-signing works.
    #30

Recent checks

!

Full report

Domain & DNS report for blb-karlsruhe.de ›

Mail

warn

25 passed 3 warn 0 failed

Areas

✓SPF ✓DMARC !DKIM !DNSSEC ✓MX !TLS iBIMI

Problems

  • !
    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
  • !
    Signatures expire in 167h0m0s
    DNSSEC · DNSKEY signatures expire at 2026-10-28T20:32:26Z (in 167h0m0s). Check that re-signing works.
    #21
  • !
    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 blb-karlsruhe.de ›