Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rekord-holzmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:41:16 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
A / AAAA Records
- 116.203.2.72 ↩ wega.ducrot.de
- 2a01:4f8:1c0c:80cd::1 ↩ wega.ducrot.de
Mail Server IPs
- 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
- 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
dns0.dmmd.de hostmaster.rekord-holzmann.de 1774072320 16384 2048 1048576 2560
Primary NS (mname)
dns0.dmmd.de
Admin Email (rname)
hostmaster@rekord-holzmann.de
Serial
1774072320
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
dns0.dmmd.de
dns1.dmmd.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.6.43.88/29 include:spf.protection.outlook.com include:spf.crsend.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 ip4:217.6.43.88/29 include:spf.protection.outlook.com include:spf.crsend.com -all
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