s-immo-aachen.de

Valid Email Server
Domain Lookup › s-immo-aachen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
s-immo-aachen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:23:03 UTC · ↺ Refresh

MX Hostnames

  • mx03.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx02.hornetsecurity.com

MX Priorities

  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 20
  • mx03.hornetsecurity.com: 30

A / AAAA Records

  • 172.67.142.81 (no PTR)
  • 104.21.49.65 (no PTR)
  • 2606:4700:3031::6815:3141 (no PTR)
  • 2606:4700:3037::ac43:8e51 (no PTR)

Mail Server IPs

  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com

SOA Record

Raw SOA primary.ns.meinimmoportal.eu dns.cloudflare.com 2399068853 10000 2400 604800 1800
Primary NS (mname)
primary.ns.meinimmoportal.eu
Admin Email (rname)
dns@cloudflare.com
Serial
2399068853
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

secondary.ns.meinimmoportal.eu
primary.ns.meinimmoportal.eu

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.onoffice.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ 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

4 records
  • MS=ms51772827
  • google-site-verification=KWqoRfuSqfoLBOvTw-qlu4Znq4NBxaRcI_o9nuWB3_s
  • swisssign-check=U69jQpV_PkNyN8J-YLUIu-yxg8g
  • SPFv=spf1 include:_spf.onoffice.de ~all
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