optikschlemmer.de

Valid Email Server
Domain Lookup › optikschlemmer.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 13:26:28 UTC · ↺ Refresh

MX Hostnames

  • mx01.ionos.de
  • mx00.ionos.de

MX Priorities

  • mx01.ionos.de: 10
  • mx00.ionos.de: 10

A / AAAA Records

  • 87.106.78.57 ↩ ip87-106-78-57.pbiaas.com

Mail Server IPs

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

SOA Record

Raw SOA ns1122.ui-dns.org hostmaster.kundenserver.de 2017071071 28800 7200 604800 300
Primary NS (mname)
ns1122.ui-dns.org
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017071071
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1122.ui-dns.biz
ns1122.ui-dns.org
ns1122.ui-dns.com
ns1122.ui-dns.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

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

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

1 record
  • google-site-verification=6vHmiypbhGzzBApCIjU8uUxzKgQNMXfIb5cMEe9_GIM
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 optikschlemmer.de

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

No credit card required
Get 1,000 Free Credits