ibs-immo.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ibs-immo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 22:18:24 UTC · ↺ Refresh

MX Hostnames

  • smtp.rzone.de

MX Priorities

  • smtp.rzone.de: 5

A / AAAA Records

  • 185.230.63.107 ↩ unalocated.63.wixsite.com
  • 185.230.63.171 ↩ unalocated.63.wixsite.com
  • 185.230.63.186 ↩ unalocated.63.wixsite.com

Mail Server IPs

  • 81.169.145.98 ↩ smtp.rzone.de
  • 2a01:238:20a:202:50f0::2097 ↩ smtp.rzone.de

SOA Record

Raw SOA ns2.wixdns.net support.wix.com 2019081312 10800 3600 1209600 3600
Primary NS (mname)
ns2.wixdns.net
Admin Email (rname)
support@wix.com
Serial
2019081312
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns3.wixdns.net
ns2.wixdns.net

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; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=r; ri=3600; fo=0:1:d:s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

No TXT records found.

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 ibs-immo.de

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

No credit card required
Get 1,000 Free Credits