praxisformulare.de

Valid Email Server
Domain Lookup › praxisformulare.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
praxisformulare.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 14:58:14 UTC · ↺ Refresh

MX Hostnames

  • cmailcache.indusys.de
  • mail.opc-gmbh.de

MX Priorities

  • cmailcache.indusys.de: 100
  • mail.opc-gmbh.de: 10

A / AAAA Records

  • 217.160.0.185 ↩ 217-160-0-185.elastic-ssl.ui-r.com

Mail Server IPs

  • 51.105.150.211 ↩ cmailcache.indusys.de
  • 93.240.151.130 ↩ mail.opc-gmbh.de

SOA Record

Raw SOA ns1121.ui-dns.biz hostmaster.1und1.de 2017041426 28800 7200 604800 300
Primary NS (mname)
ns1121.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017041426
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1121.ui-dns.de
ns1121.ui-dns.com
ns1121.ui-dns.org
ns1121.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 a mx -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

✗ 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 -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 praxisformulare.de

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

No credit card required
Get 1,000 Free Credits