cr-makler.de

Valid Email Server
Domain Lookup › cr-makler.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cr-makler.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-07 07:12:50 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx.itm-security.com

MX Priorities

  • mx.itm-security.com: 10

A / AAAA Records

  • 88.99.239.250 ↩ static.250.239.99.88.clients.your-server.de

Mail Server IPs

  • 185.129.245.150 ↩ mx.itm-security.com

SOA Record

Raw SOA docks03.rzone.de hostmaster.strato-rz.de 2021011242 86400 7200 604800 300
Primary NS (mname)
docks03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021011242
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks03.rzone.de
shades07.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:91.249.168.120/29 ip4:81.14.228.191 ip4:81.14.231.254 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com include:spf.itm-security.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 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

4 records
  • swisssign-check=QmHXRu9Ffnl2_bsSkylpjEO0YuU
  • tmes=eb4fe08f8a134035b7ac732b1580f8fd
  • SPFv=spf1 ip4:91.249.168.120/29 ip4:81.14.228.191 ip4:81.14.231.254 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com include:spf.itm-security.com -all
  • MS=ms48090963
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 · Customize →
See demo & docs
Deep verification
Full email verification for cr-makler.de

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

No credit card required
Get 1,000 Free Credits