Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
beck-bau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 10:04:32 UTC · ↺ Refresh
MX Hostnames
- mx-01-eu-central-1.prod.hydra.sophos.com
- mx-02-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 116.202.123.87 ↩ web11.mitausblick.de
Mail Server IPs
- 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
- 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ns1.keller-brennecke.de domain.keller-brennecke.de 2025032802 14400 3600 604800 300
Primary NS (mname)
ns1.keller-brennecke.de
Admin Email (rname)
domain@keller-brennecke.de
Serial
2025032802
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.keller-brennecke.de
ns2.keller-brennecke.de
ns3.keller-brennecke.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:fw1.beck-bau.de include:_spf_eucentral1.prod.hydra.sophos.com include:spf-a.keller-brennecke.de ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=s;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx a:fw1.beck-bau.de include:_spf_eucentral1.prod.hydra.sophos.com include:spf-a.keller-brennecke.de ~all
- sophos-domain-verification=82e5ef3da36c89b0b5a7242b8b1b573d4c7ad8d54e886ce7a29993eae0af0747
Full email verification for beck-bau.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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