Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
immo1-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:59:49 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 87.106.204.211 ↩ h06.iok.net
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns01.iok.net server-providing.iok.net 2026031401 10800 3600 1209600 10800
Primary NS (mname)
ns01.iok.net
Admin Email (rname)
server-providing@iok.net
Serial
2026031401
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns02.iok.net
ns01.iok.net
ns04.iok.de
ns03.iok.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- MS=ms35533739
- google-site-verification=875Oy4HdO7lv9gOpjJBl4hxJSSvc4N6bAsPsnRfs6DI
- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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