koehler-optik-bochum.de

Valid Email Server
Domain Lookup › koehler-optik-bochum.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koehler-optik-bochum.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 07:43:16 UTC · ↺ Refresh

MX Hostnames

  • gatekeeper.space.net
  • gatekeeper.spacenet.de

MX Priorities

  • gatekeeper.space.net: 10
  • gatekeeper.spacenet.de: 20

A / AAAA Records

  • 185.115.24.238

Mail Server IPs

  • 194.97.132.16 ↩ gatekeeper3.space.net
  • 195.30.114.130 ↩ gatekeeper2.space.net
  • 194.97.132.2 ↩ gatekeeper1.space.net
  • 2001:608:3:84::2 ↩ gatekeeper1.space.net
  • 2001:608:3:84::16 ↩ gatekeeper3.space.net
  • 2001:608:2:84::130 ↩ gatekeeper2.space.net
  • 194.97.132.15 ↩ gatekeeper3.spacenet.de
  • 195.30.114.135 ↩ gatekeeper2.spacenet.de
  • 194.97.132.6 ↩ gatekeeper1.spacenet.de
  • 2001:608:3:84::6 ↩ gatekeeper1.spacenet.de
  • 2001:608:3:84::15
  • 2001:608:2:84::135

SOA Record

Raw SOA ns3.stratoserver.net hostmaster.strato-rz.de 2020051405 86400 7200 604800 300
Primary NS (mname)
ns3.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051405
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns3.stratoserver.net
ns4.stratoserver.net

SPF Record

✓ Strict (-all)
v=spf1 a:mail.2.to-eyes.de -all
📊 DNS lookups: 1/10
✓ 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 a:mail.2.to-eyes.de -all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for koehler-optik-bochum.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits