zellwerk.com

Valid Email Server
Domain Lookup › zellwerk.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
zellwerk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 08:33:27 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

  • zellwerk-com.mail.protection.outlook.com

MX Priorities

  • zellwerk-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.55.79.26 ↩ t3-v10.zellwerk.net

Mail Server IPs

  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026052003 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026052003
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf-ip4.zellwerk.net include:spf.protection.outlook.com include:spf.crsend.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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

3 records
  • SPFv=spf1 a mx include:spf-ip4.zellwerk.net include:spf.protection.outlook.com include:spf.crsend.com -all
  • MS=ms37887527
  • anthropic-domain-verification-r6k7cy=HzsZtT3sB3jOkb9KTIp6FdVBr
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 zellwerk.com

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

No credit card required
Get 1,000 Free Credits