mdu-nuernberg.de

Valid Email Server
Domain Lookup › mdu-nuernberg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mdu-nuernberg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 19:43:20 UTC · ↺ Refresh

MX Hostnames

  • mdunuernberg-de0i.mail.protection.outlook.com

MX Priorities

  • mdunuernberg-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.162.249.62 ↩ webserver.diegruenenengel.com

Mail Server IPs

  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.heartbytes.de hostmaster.heartbytes.de 2025110301 86400 7200 604800 86400
Primary NS (mname)
ns01.heartbytes.de
Admin Email (rname)
hostmaster@heartbytes.de
Serial
2025110301
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns1.noris.net
dns3.noris.net
dns2.noris.net
ns01.heartbytes.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:remote.diegruenenengel.com a:mx.diegruenenengel.com ip4:217.6.75.74 ip4:217.6.75.75 include:spf.protection.outlook.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ~all
📊 DNS lookups: 7/10
~ 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
  • MS=ms66529296
  • SPFv=spf1 mx a:remote.diegruenenengel.com a:mx.diegruenenengel.com ip4:217.6.75.74 ip4:217.6.75.75 include:spf.protection.outlook.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ~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 mdu-nuernberg.de

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

No credit card required
Get 1,000 Free Credits