Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rhinopartners.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:21:35 UTC · ↺ Refresh
MX Hostnames
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 217.160.0.23 ↩ 217-160-0-23.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2fb ↩ 2001-08d8-100f-f000-0000-0000-0000-02fb.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns1075.ui-dns.org hostmaster.1und1.com 2017060143 28800 7200 604800 600
Primary NS (mname)
ns1075.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060143
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1092.ui-dns.com
ns1083.ui-dns.de
ns1075.ui-dns.org
ns1043.ui-dns.biz
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
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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