hausarztzentrum-rhein-ruhr.de

Valid Email Server
Domain Lookup › hausarztzentrum-rhein-ruhr.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hausarztzentrum-rhein-ruhr.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 16:16:42 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

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

SOA Record

Raw SOA ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 4 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
4
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-c1.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com
ns-cloud-c2.googledomains.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all TTL=3600
📊 DNS lookups: 2/10

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → [email protected]

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all TTL=3600
  • MS=ms53501450
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