Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uni-du.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 22:42:20 UTC · ↺ Refresh
MX Hostnames
- mx3.uni-du.de
MX Priorities
- mx3.uni-du.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 37.120.187.180 ↩ mali.fuut.de
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2025062500 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2025062500
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.uni-du.de
ns2.uni-du.de
ns3.uni-du.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:37.120.187.180 -all
📊 DNS lookups: 0/10
✓ 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
1 record- SPFv=spf1 ip4:37.120.187.180 -all
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