Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kaiserheinrichbad.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:47:52 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 85.10.250.190 ↩ web.2concepts.de
- 2a01:4f8:fff1:12::4 ↩ web.2concepts.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns1.2concepts.de t\.heutger.gmx.de 2026021803 10800 3600 1209600 10800
Primary NS (mname)
ns1.2concepts.de
Admin Email (rname)
t\@heutger.gmx.de
Serial
2026021803
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.2concepts.de
ns1.2concepts.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:web.2concepts.de include:spf.hornetsecurity.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=DD1Vb2HPS8l4UyLVgQFBBExbInGPuokBbNz_E-Hm6jQ
- SPFv=spf1 +a +mx +a:web.2concepts.de include:spf.hornetsecurity.com -all
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