Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alta-klinik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 05:59:58 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx04.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
- 104.21.24.173 (no PTR)
- 172.67.219.197 (no PTR)
- 2606:4700:3033::6815:18ad (no PTR)
- 2606:4700:3031::ac43:dbc5 (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
arnold.ns.cloudflare.com dns.cloudflare.com 2398195033 10000 2400 604800 1800
Primary NS (mname)
arnold.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398195033
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
arnold.ns.cloudflare.com
megan.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com a:eagle.hpress.de ip4:142.132.224.8 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
3 records- google-site-verification=75cuSh-tw6TySA65b8T0xOWckg0GNx-6dEbnXo8dTi0
- google-site-verification=NheLmJ5p2h1owttp434w2jPHJvVb5F97c1Et848uGmQ
- SPFv=spf1 include:spf.hornetsecurity.com a:eagle.hpress.de ip4:142.132.224.8 ~all
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