Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
wh9.tu-dresden.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-17 23:31:53 UTC · ↺ Refresh
MX Hostnames
- mailin-prim2.zih.tu-dresden.de
- mailin-prim1.zih.tu-dresden.de
MX Priorities
- mailin-prim2.zih.tu-dresden.de: 20
- mailin-prim1.zih.tu-dresden.de: 20
A / AAAA Records
- 141.76.119.130 ↩ x8d4c7782.agdsn.tu-dresden.de
Mail Server IPs
- 141.30.67.65 ↩ mailin-prim2.zih.tu-dresden.de
- 141.30.67.64 ↩ mailin-prim1.zih.tu-dresden.de
SOA Record
Raw SOA
ns0.agdsn.de hostmaster.agdsn.de 2026051401 10800 3600 604800 3600
Primary NS (mname)
ns0.agdsn.de
Admin Email (rname)
hostmaster@agdsn.de
Serial
2026051401
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns-3.dfn.de
adns1.zih.tu-dresden.de
dns-1.dfn.de
adns2.zih.tu-dresden.de
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.agdsn.de
📊 DNS lookups: 1/10
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s; pct=100; rua=mailto:[email protected]; rf=afrf; fo=1; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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 redirect=_spf.agdsn.de
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