steuerspectrum.de

Valid Email Server
Domain Lookup › steuerspectrum.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steuerspectrum.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 00:35:47 UTC · ↺ Refresh

MX Hostnames

  • line1b.virus-defence.de
  • line1a.virus-defence.de

MX Priorities

  • line1b.virus-defence.de: 30
  • line1a.virus-defence.de: 10

A / AAAA Records

  • 80.82.218.43 (no PTR)

Mail Server IPs

  • 87.190.16.131 ↩ line1b.virus-defence.de
  • 80.82.218.16 ↩ line1a.virus-defence.de

SOA Record

Raw SOA ns1.espectrum.de hostmaster.espectrum.de 2026030306 28800 3600 604800 86400
Primary NS (mname)
ns1.espectrum.de
Admin Email (rname)
hostmaster@espectrum.de
Serial
2026030306
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.espectrum.de
ns1.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

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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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