Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
zwerenz-gruppe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-23 00:02:53 UTC · ↺ Refresh
MX Hostnames
- mx2.mae-systems.de
MX Priorities
- mx2.mae-systems.de: 10
A / AAAA Records
- 89.246.67.140 (no PTR)
Mail Server IPs
- 89.246.67.131 ↩ mx2.mae-systems.de
SOA Record
Raw SOA
ns1.mae-server.de hostmaster.bl-ms.de 2015063024 10800 1800 604800 3600
Primary NS (mname)
ns1.mae-server.de
Admin Email (rname)
hostmaster@bl-ms.de
Serial
2015063024
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns02.versatel.de
ns03.versatel.de
ns01.versatel.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mae-server.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 include:_spf.mae-server.de -all
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