Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stocker-bau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 00:06:35 UTC · ↺ Refresh
MX Hostnames
- smtp-backup1.portunity.de
- mail.stocker-bau.de
MX Priorities
- mail.stocker-bau.de: 10
- smtp-backup1.portunity.de: 20
A / AAAA Records
- 178.20.102.103 ↩ x-mind.kundencloudserver.de
Mail Server IPs
- 217.91.149.106 ↩ mail.stocker-bau.de
- 217.144.128.54 ↩ smtp-backup1.portunity.de
- 2a02:a00::2:0:0:54 ↩ smtp-backup1.portunity.de
SOA Record
Raw SOA
shades19.rzone.de hostmaster.strato-rz.de 2020050687 86400 7200 604800 300
Primary NS (mname)
shades19.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050687
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades19.rzone.de
docks20.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf.strato.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 include:_spf.strato.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com -all
- MS=ms25973292
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