Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stw-on.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 02:45:36 UTC · ↺ Refresh
MX Hostnames
- mx1.swbs.etc.tu-bs.de
- mx2.svc.stw-on.network
MX Priorities
- mx1.swbs.etc.tu-bs.de: 20
- mx2.svc.stw-on.network: 10
A / AAAA Records
- 134.169.86.78 ↩ proxy.swbs.etc.tu-bs.de
Mail Server IPs
- 134.169.86.126 ↩ mx1.swbs.etc.tu-bs.de
- 91.26.189.125 ↩ mx2.svc.stw-on.network
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026031101 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026031101
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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 ~all
- mistral-domain-verification=7fcb9d064c2e771e8809add744fb0e0dbb3a8b18
Full email verification for stw-on.de
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