optikdumm.de

Valid Email Server
Domain Lookup › optikdumm.de

Domain Overview

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

Checked via [email protected] · 2026-03-20 06:40:00 UTC · ↺ Refresh

MX Hostnames

  • mx00.ionos.de
  • mx01.ionos.de

MX Priorities

  • mx00.ionos.de: 1
  • mx01.ionos.de: 2

A / AAAA Records

  • 18.208.88.157 ↩ ec2-18-208-88-157.compute-1.amazonaws.com
  • 98.84.224.111 ↩ ec2-98-84-224-111.compute-1.amazonaws.com
  • 2600:1f18:16e:df01::258 (no PTR)
  • 2600:1f18:16e:df01::259 (no PTR)

Mail Server IPs

  • 212.227.15.41 ↩ mx00.kundenserver.de
  • 217.72.192.67 ↩ mx01.kundenserver.de

SOA Record

Raw SOA dns1.p01.nsone.net domains+netlify.netlify.com 1761907370 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
domains+netlify@netlify.com
Serial
1761907370
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns1.p05.nsone.net
dns2.p05.nsone.net
dns3.p05.nsone.net
dns4.p05.nsone.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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
  • "v=spf1 include:_spf-eu.ionos.com ~all"
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