stadtwerke-luebeck.de

Valid Email Server
Domain Lookup › stadtwerke-luebeck.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stadtwerke-luebeck.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 17:49:18 UTC · ↺ Refresh

MX Hostnames

  • stadtwerkeluebeck-de02e.mail.protection.outlook.com
  • mx2.items-web.de

MX Priorities

  • mx2.items-web.de: 20
  • stadtwerkeluebeck-de02e.mail.protection.outlook.com: 10

A / AAAA Records

  • 91.194.230.124 (no PTR)

Mail Server IPs

  • 91.194.230.45 ↩ mx2.items-web.de
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1a.dodns.net hostmaster.itemsnet.de 15 86400 10800 3600000 172800
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@itemsnet.de
Serial
15
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
172800s

Nameservers (NS)

ns2a.dodns.net
ns1a.dodns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx mx:mx1.items-web.de mx:mx2.items-web.de mx:rexx-systems.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

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
  • SPFv=spf1 mx mx:mx1.items-web.de mx:mx2.items-web.de mx:rexx-systems.de include:spf.protection.outlook.com ~all
  • eceooqkxn0x3zq4e2gnluo5ungkwg3rbmekh+4cbaet1g7xjm/xfm5eh5sudy4c5qnz7tl77dujk2j9wxm+dmg==
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 stadtwerke-luebeck.de

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

No credit card required
Get 1,000 Free Credits