Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
immo-r-n.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:11:48 UTC · ↺ Refresh
MX Hostnames
- mx1.onoffice.de
MX Priorities
- mx1.onoffice.de: 100
A / AAAA Records
- 92.205.2.121 ↩ 121.2.205.92.host.secureserver.net
Mail Server IPs
- 95.130.253.60 ↩ mx1.onoffice.de
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026031701 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns81.domaincontrol.com
ns82.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:_spf.onoffice.de include:secureserver.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ 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 include:_spf.onoffice.de include:secureserver.net ~all
- D7047073
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