Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
eb-immo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 01:40:58 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 212.227.176.229 ↩ wsx.deutsche-investment.net
- 2001:8d8:1801:87a5::1 ↩ wsx.deutsche-investment.net
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns1017.ui-dns.org hostmaster.1und1.de 2016111702 28800 7200 604800 300
Primary NS (mname)
ns1017.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2016111702
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1017.ui-dns.com
ns1017.ui-dns.de
ns1017.ui-dns.org
ns1017.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:86.109.234.12 ip4:212.227.176.229 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.kundenserver.de include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- v=verifydomain MS=4088749
- SPFv=spf1 mx ip4:86.109.234.12 ip4:212.227.176.229 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.kundenserver.de include:spf-de.emailsignatures365.com -all
- apple-domain-verification=lPw1QTudSEapgYNU
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