Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ckss.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 01:51:04 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
- 85.13.155.151 ↩ dd39214.kasserver.com
Mail Server IPs
- 80.82.218.16 ↩ line1a.virus-defence.de
- 87.190.16.131 ↩ line1b.virus-defence.de
SOA Record
Raw SOA
ns1.espdns.de hostmaster.espectrum.de 2025051401 10800 3600 604800 180
Primary NS (mname)
ns1.espdns.de
Admin Email (rname)
hostmaster@espectrum.de
Serial
2025051401
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
ns2.espdns.de
ns3.espdns.de
ns1.espdns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de include:spf.nl2go.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de include:spf.nl2go.com -all
- google-site-verification=jZcKgj2lhGoF6BArlJ13d1IINsyG5xxO-uViCgXpuAVr4
Full email verification for ckss.de
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