Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
system4all.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 05:34:52 UTC · ↺ Refresh
MX Hostnames
- mail.system4all.de
- system4all.de
MX Priorities
- mail.system4all.de: 10
- system4all.de: 20
A / AAAA Records
- 5.9.100.54 ↩ server788.system4all.com
Mail Server IPs
- 5.9.100.54 ↩ server788.system4all.com
SOA Record
Raw SOA
ns1.system4all.de scheffler.system4all.de 2021020375 3600 1200 604800 86400
Primary NS (mname)
ns1.system4all.de
Admin Email (rname)
scheffler@system4all.de
Serial
2021020375
Refresh
3600s
Retry
1200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.system4all.de
ns2.system4all.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:5.9.100.54 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx a ip4:5.9.100.54 ~all
- MS=C82B6D78F5128AD302BEA9E84119FCD50F89C933
- google-site-verification=Gv3BfgaW_8yrOulsTINKrChWMBF2VsW0k_SkK728zYA
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