Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
immocenter-ka.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 10:45:40 UTC · ↺ Refresh
MX Hostnames
- mx1.onoffice.de
- mx3.onoffice.de
- mx2.onoffice.de
MX Priorities
- mx1.onoffice.de: 10
- mx3.onoffice.de: 20
- mx2.onoffice.de: 10
A / AAAA Records
- 62.181.152.11 (no PTR)
Mail Server IPs
- 95.130.253.60 ↩ mx1.onoffice.de
- 95.130.253.56 ↩ mx3.onoffice.de
- 95.130.253.71 ↩ mx2.onoffice.de
SOA Record
Raw SOA
ns1.s-fg-net.de domreg.f-i.de 25 10800 3600 2419200 1800
Primary NS (mname)
ns1.s-fg-net.de
Admin Email (rname)
domreg@f-i.de
Serial
25
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
1800s
Nameservers (NS)
ns1.s-fg-net.de
ns2.s-fg-net.com
ns3.s-fg-net.eu
ns4.s-fg-net.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mail.s-web.de ip4:80.82.206.0/26 ip4:185.98.184.0/24 include:_spf.onoffice.de -all
📊 DNS lookups: 2/10
✓ 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 include:spf.mail.s-web.de ip4:80.82.206.0/26 ip4:185.98.184.0/24 include:_spf.onoffice.de -all
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