mainimmo.de

Valid Email Server
Domain Lookup › mainimmo.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mainimmo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 21:08:41 UTC · ↺ Refresh

MX Hostnames

  • mx2.onoffice.de
  • mx3.onoffice.de
  • mx1.onoffice.de

MX Priorities

  • mx2.onoffice.de: 10
  • mx3.onoffice.de: 20
  • mx1.onoffice.de: 10

A / AAAA Records

  • 217.160.0.155 ↩ 217-160-0-155.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 95.130.253.71 ↩ mx2.onoffice.de
  • 95.130.253.56 ↩ mx3.onoffice.de
  • 95.130.253.60 ↩ mx1.onoffice.de

SOA Record

Raw SOA ns1105.ui-dns.org hostmaster.1und1.com 2017060134 28800 7200 604800 600
Primary NS (mname)
ns1105.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060134
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1085.ui-dns.de
ns1037.ui-dns.biz
ns1068.ui-dns.com
ns1105.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 a include:_spf.onoffice.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

3 records
  • apple-domain-verification=hO6fM8OCqoI50bGtKYbMzP0dsBEWx3udmkTbfwyrvO0
  • SPFv=spf1 a include:_spf.onoffice.de ~all
  • google-site-verification=c5OFBFCydUaHBfPNI7VYEddrncAR2tnY1_4goGYuKwk
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