clsg.de

Valid Email Server
Domain Lookup › clsg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
clsg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 06:29:49 UTC · ↺ Refresh

MX Hostnames

  • mxext1.mailbox.org
  • mxext2.mailbox.org
  • mxext3.mailbox.org

MX Priorities

  • mxext1.mailbox.org: 10
  • mxext2.mailbox.org: 10
  • mxext3.mailbox.org: 20

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 80.241.60.212 ↩ mx1.mailbox.org
  • 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
  • 80.241.60.215 ↩ mx2.mailbox.org
  • 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
  • 80.241.60.216 ↩ mx3.mailbox.org
  • 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org

SOA Record

Raw SOA ns1.resellerinterface.de hostmaster.herimedia.com 1706097844 28800 7200 604800 900
Primary NS (mname)
ns1.resellerinterface.de
Admin Email (rname)
hostmaster@herimedia.com
Serial
1706097844
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns3.resellerinterface.de
ns2.resellerinterface.de
ns1.resellerinterface.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mailbox.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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:mailbox.org ~all
Full email verification for clsg.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits