cadsys.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cadsys.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 23:41:00 UTC · ↺ Refresh

MX Hostnames

  • cadsys-de.mail.protection.outlook.com

MX Priorities

  • cadsys-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.15.195.51 (no PTR)

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA ophelia.ns.cloudflare.com dns.cloudflare.com 2396910710 10000 2400 604800 1800
Primary NS (mname)
ophelia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396910710
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ophelia.ns.cloudflare.com
zac.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:81.201.149.90 ip4:178.249.25.167 include:spf.protection.outlook.com include:spf.nl2go.com
📊 DNS lookups: 4/10

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

2 records
  • MS=ms44268251
  • SPFv=spf1 mx a ip4:81.201.149.90 ip4:178.249.25.167 include:spf.protection.outlook.com include:spf.nl2go.com
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 cadsys.de

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

No credit card required
Get 1,000 Free Credits