Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iuf-duesseldorf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:59:07 UTC · ↺ Refresh
MX Hostnames
- mx01.iuf-duesseldorf.de
MX Priorities
- mx01.iuf-duesseldorf.de: 0
A / AAAA Records
- 136.243.165.17 ↩ dedi4762.your-server.de
Mail Server IPs
- 178.15.229.205 ↩ mx01.iuf-duesseldorf.de
SOA Record
Raw SOA
ns1.resellerinterface.de hostmaster.resellerinterface.de 1740664297 28800 7200 604800 3600
Primary NS (mname)
ns1.resellerinterface.de
Admin Email (rname)
hostmaster@resellerinterface.de
Serial
1740664297
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.resellerinterface.de
ns2.resellerinterface.de
ns3.resellerinterface.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:141.53.89.4 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
2 records- SPFv=spf1 a mx ip4:141.53.89.4 ~all
- MS=ms65637724
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