Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iik-firmenservice.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:00:22 UTC · ↺ Refresh
MX Hostnames
- heine.iik-duesseldorf.de
- mx02.openit.de
MX Priorities
- mx02.openit.de: 20
- heine.iik-duesseldorf.de: 5
A / AAAA Records
- 3.66.50.156 ↩ landau.jweiland.cloud
Mail Server IPs
- 213.95.203.108 ↩ mx02.openit.de
- 2001:780:129:1::4 ↩ mx02.openit.de
- 217.69.67.130 ↩ heine.iik-duesseldorf.de
SOA Record
Raw SOA
ns1.plusserver.com hostmaster.plusserver.com 2025081501 1800 900 604800 900
Primary NS (mname)
ns1.plusserver.com
Admin Email (rname)
hostmaster@plusserver.com
Serial
2025081501
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns3.plusserver.com
ns2.plusserver.com
ns1.plusserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:heine.iik-duesseldorf.de ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- MS=ms43548705
- SPFv=spf1 a mx a:heine.iik-duesseldorf.de ?all
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