Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kbl-langen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 15:45:32 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 217.160.0.44 ↩ 217-160-0-44.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2bd ↩ 2001-08d8-100f-f000-0000-0000-0000-02bd.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
ns1098.ui-dns.com hostmaster.1und1.com 2017060135 28800 7200 604800 600
Primary NS (mname)
ns1098.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060135
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1059.ui-dns.de
ns1104.ui-dns.org
ns1098.ui-dns.com
ns1108.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:213.188.122.45 include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=25; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 25% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- 06.03.2026
- SPFv=spf1 a mx ip4:213.188.122.45 include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- v=verifydomain MS=6117286
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