Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fps-niebuell.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 07:26:27 UTC · ↺ Refresh
MX Hostnames
- offline.iserv.eu
- fps-niebuell.de
MX Priorities
- fps-niebuell.de: 10
- offline.iserv.eu: 20
A / AAAA Records
- 89.58.86.117 ↩ 89-58-86-117.static.subscribers.as44656.net
Mail Server IPs
- 89.58.86.117 ↩ 89-58-86-117.static.subscribers.as44656.net
- 159.69.47.32 ↩ static.32.47.69.159.clients.your-server.de
- 2a01:4f8:c2c:4863::1 (no PTR)
SOA Record
Raw SOA
ns4.stratoserver.net hostmaster.strato-rz.de 2020051431 86400 7200 604800 300
Primary NS (mname)
ns4.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051431
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.stratoserver.net
ns4.stratoserver.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.iserv.eu ?all
📊 DNS lookups: 6/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- abuseipdb-verification=Sul31U6x
- brevo-code:e4878af181acef4f697b0be94d8554ca
- SPFv=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.iserv.eu ?all
- apple-domain-verification=O9pI7zzfElM2gywz
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