mosaik-gmbh.de

Valid Email Server
Domain Lookup › mosaik-gmbh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mosaik-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 21:11:37 UTC · ↺ Refresh

MX Hostnames

  • mx.worldserver.net
  • mx.20.worldserver.net

MX Priorities

  • mx.worldserver.net: 10
  • mx.20.worldserver.net: 20

A / AAAA Records

  • 85.215.121.209 (no PTR)

Mail Server IPs

  • 217.13.200.138 ↩ mx.worldserver.net

SOA Record

Raw SOA ns11.prosite.de hostmaster\@mosaik-gmbh.de 2026031901 10800 3600 604800 3600
Primary NS (mname)
ns11.prosite.de
Admin Email (rname)
hostmaster\@mosaik-gmbh@de
Serial
2026031901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns12.prosite.de
ns11.prosite.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:217.13.200.0/24 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; pct=100; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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 mx ip4:217.13.200.0/24 -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 mosaik-gmbh.de

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

No credit card required
Get 1,000 Free Credits