5zs.de

Valid Email Server
Domain Lookup › 5zs.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
5zs.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 13:01:51 UTC · ↺ Refresh

MX Hostnames

  • mx01.dex.email
  • mx00.dex.email

MX Priorities

  • mx00.dex.email: 10
  • mx01.dex.email: 20

A / AAAA Records

  • 51.159.106.186 ↩ ea889407-2afe-428b-9849-d94f4b63e942.fr-par-2.baremetal.scw.cloud

Mail Server IPs

  • 185.237.100.31 ↩ mx00.dex.email

SOA Record

Raw SOA sh.prot.li hostmaster.prot.li 2026040110 7200 2000 1209600 3600
Primary NS (mname)
sh.prot.li
Admin Email (rname)
hostmaster@prot.li
Serial
2026040110
Refresh
7200s
Retry
2000s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

sh.prot.li
ie.prot.li
ld.prot.li

SPF Record

✓ Strict (-all)
v=spf1 mx a:mx00.dex.email a:mx01.dex.email a:dex.email -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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 mx a:mx00.dex.email a:mx01.dex.email a:dex.email -all
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