rsnconcept.de

Valid Email Server
Domain Lookup › rsnconcept.de

Domain Overview

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

Checked via [email protected] · 2026-04-04 10:21:32 UTC · ↺ Refresh

MX Hostnames

  • mx.rsnconcept.de

MX Priorities

  • mx.rsnconcept.de: 10

A / AAAA Records

  • 62.27.118.20 ↩ mail019.ruhrstadthosting.de

Mail Server IPs

  • 62.27.118.20 ↩ mail019.ruhrstadthosting.de

SOA Record

Raw SOA dns1.regsystem.net hostmaster.regsystem.net 2025071102 86400 28800 604800 600
Primary NS (mname)
dns1.regsystem.net
Admin Email (rname)
hostmaster@regsystem.net
Serial
2025071102
Refresh
86400s
Retry
28800s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

dns2.regsystem.net
dns3.regsystem.net
dns1.regsystem.net

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)

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
  • SPFv=spf1 +a +mx v=spf1 include:_spf.google.com ~all
  • _acme-challenge.rsnconcept.de=wzn0aZtipWLQYThQemb2201hYSIx_9TBiTQD9aSddRw
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