dz-instruments.de

Valid Email Server
Domain Lookup › dz-instruments.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dz-instruments.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 10:48:48 UTC · ↺ Refresh

MX Hostnames

  • mail.dz-instruments.de

MX Priorities

  • mail.dz-instruments.de: 0

A / AAAA Records

  • 104.21.13.53 (no PTR)
  • 172.67.154.200 (no PTR)
  • 2606:4700:3032::6815:d35 (no PTR)
  • 2606:4700:3036::ac43:9ac8 (no PTR)

Mail Server IPs

  • 192.254.228.147 ↩ 192-254-228-147.unifiedlayer.com

SOA Record

Raw SOA elias.ns.cloudflare.com dns.cloudflare.com 2399955215 10000 2400 604800 1800
Primary NS (mname)
elias.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399955215
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nova.ns.cloudflare.com
elias.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:192.254.226.186 a mx include:websitewelcome. com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 ip4:192.254.226.186 a mx include:websitewelcome. com ~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 dz-instruments.de

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

No credit card required
Get 1,000 Free Credits