residenz-oberhausen.de

Valid Email Server
Domain Lookup › residenz-oberhausen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
residenz-oberhausen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 02:28:21 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 65.108.96.42 ↩ linux04.hotelnetsolutions.com

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 hydrogen.ns.hetzner.com dns.hetzner.com 2025092200 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2025092200
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

helium.ns.hetzner.de
oxygen.ns.hetzner.com
hydrogen.ns.hetzner.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
  • google-site-verification=egvfMvCDsqiJHczFSalw3wXVFQ0TaEMLY9pRfDzuiZE
  • ms38212919
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