cssm.de

Valid Email Server
Domain Lookup › cssm.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 22:52:28 UTC · ↺ Refresh

MX Hostnames

  • mailsrv01.serverpark.de

MX Priorities

  • mailsrv01.serverpark.de: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 212.227.142.135 ↩ mailsrv01.serverpark.de

SOA Record

Raw SOA a.ns14.net hostmaster.cssm.de 2022061401 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@cssm.de
Serial
2022061401
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

c.ns14.net
b.ns14.net
a.ns14.net
d.ns14.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:212.227.142.135/32 ip4:217.160.61.138/32 ~all
📊 DNS lookups: 0/10
~ 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 ip4:212.227.142.135/32 ip4:217.160.61.138/32 ~all
Full email verification for cssm.de

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

SPF / DKIM / DMARC Get 1,000 Free Credits