Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
korn-recycling.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 16:17:13 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 217.160.0.82 ↩ 217-160-0-82.elastic-ssl.ui-r.com
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.ui-global-dns.de hostmaster.1und1.com 2018091264 28800 7200 604800 600
Primary NS (mname)
ns.ui-global-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2018091264
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns.ui-global-dns.biz
ns.ui-global-dns.org
ns.ui-global-dns.de
ns.ui-global-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf-eu.ionos.com include:spf.hornetsecurity.com include:spf.sendinblue.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; aspf=s; sp=none;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 mx include:_spf-eu.ionos.com include:spf.hornetsecurity.com include:spf.sendinblue.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- google-site-verification=Rjtrf-L4Zza23dKpfjvN3rUiiIenjiKq5Lt3kRIMwv4
- sendinblue-code:b3cd1297a886471745c80d920662e9ae
- MS=68003CB3B85A01BB6E87E565989424EC5279687D
- apple-domain-verification=XyiEbd7u1UP3MYlx
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