optimel.de

Valid Email Server
Domain Lookup › optimel.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 22:36:46 UTC · ↺ Refresh

MX Hostnames

  • mx.optimel.de
  • bitloft.email

MX Priorities

  • bitloft.email: 10
  • mx.optimel.de: 5

A / AAAA Records

  • 116.203.182.117 ↩ web01.cluster.bitloft.cloud

Mail Server IPs

  • 167.235.236.48 ↩ bitloft.email
  • 2a01:4f8:c17:6c86::1 ↩ bitloft.email
  • 176.94.249.75 ↩ business-176-094-249-075.static.arcor-ip.net

SOA Record

Raw SOA ns.bitloft.de technik.norplex.net 2026022701 14400 3600 2419200 3600
Primary NS (mname)
ns.bitloft.de
Admin Email (rname)
technik@norplex.net
Serial
2026022701
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns2.bitloft.de
ns.bitloft.de

SPF Record

✓ Strict (-all)
v=spf1 a:mail.srv35.bitloft.de include:_spf.bitloft.email -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 a:mail.srv35.bitloft.de include:_spf.bitloft.email -all
  • google-site-verification=Uef1x4CIa08DSMb_2AConEy5U_kQTBNx0ArHAMxunws
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