Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stuwodu.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 08:26:38 UTC · ↺ Refresh
MX Hostnames
- mail.stuwodu.de
MX Priorities
- mail.stuwodu.de: 10
A / AAAA Records
- 78.46.181.13 ↩ www106.your-server.de
- 2a01:4f8:d0a:1038::2 ↩ www106.your-server.de
Mail Server IPs
- 78.46.181.13 ↩ www106.your-server.de
- 2a01:4f8:d0a:1038::2 ↩ www106.your-server.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026031201 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031201
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns1.your-server.de
ns.second-ns.com
ns3.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;ruf=mailto:[email protected];adkim=s;aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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 a mx -all
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