blubbsoft.de

Valid Email Server
Domain Lookup › blubbsoft.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 15:20:45 UTC · ↺ Refresh

MX Hostnames

  • blubbsoft.de

MX Priorities

  • blubbsoft.de: 10

A / AAAA Records

  • 212.227.225.59 ↩ blubbsoft.de
  • 2a01:239:333:8900::1 (no PTR)

Mail Server IPs

  • 212.227.225.59 ↩ blubbsoft.de
  • 2a01:239:333:8900::1 (no PTR)

SOA Record

Raw SOA nsa3.schlundtech.de info.blubbsoft.de 2025111333 43200 7200 1209600 86400
Primary NS (mname)
nsa3.schlundtech.de
Admin Email (rname)
info@blubbsoft.de
Serial
2025111333
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

nsb3.schlundtech.de
nsa3.schlundtech.de
nsd3.schlundtech.de
nsc3.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine

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

2 records
  • google-site-verification=fJEjENBnpOoE6hTYYkR4eEC02s1jWDSKaxSBz0y8r40
  • SPFv=spf1 mx -all
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