Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hennecken.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:08:20 UTC · ↺ Refresh
MX Hostnames
- line1a.virus-defence.de
- line1b.virus-defence.de
MX Priorities
- line1a.virus-defence.de: 10
- line1b.virus-defence.de: 30
A / AAAA Records
- 84.200.229.181 (no PTR)
Mail Server IPs
- 80.82.218.16 ↩ line1a.virus-defence.de
- 87.190.16.131 ↩ line1b.virus-defence.de
SOA Record
Raw SOA
ns1.espectrum.de hostmaster.espectrum.de 2025071001 28800 1800 604800 86400
Primary NS (mname)
ns1.espectrum.de
Admin Email (rname)
hostmaster@espectrum.de
Serial
2025071001
Refresh
28800s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.espectrum.de
ns2.espectrum.de
ns3.espectrum.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de -all
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