alpstein.de

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
alpstein.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 15:48:10 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

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

MX Priorities

  • alpstein-de.mail.protection.outlook.com: 20

A / AAAA Records

  • 85.13.129.189 ↩ dd21322.kasserver.com

Mail Server IPs

  • 52.101.73.123 ↩ mail-am6pr02cu00203.inbound.protection.outlook.com
  • 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::8 ↩ mail-zrxpr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA nsa8.schlundtech.de info.alpstein.de 2025021203 43200 7200 1209600 86400
Primary NS (mname)
nsa8.schlundtech.de
Admin Email (rname)
info@alpstein.de
Serial
2025021203
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

nsb8.schlundtech.de
nsc8.schlundtech.de
nsa8.schlundtech.de
nsd8.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:24.134.89.1/32 ip4:217.7.200.84/32 ip4:217.92.193.222/32 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 ip4:24.134.89.1/32 ip4:217.7.200.84/32 ip4:217.92.193.222/32 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
  • rhino_accounts=5b0652b70ebd0f54f63ab02806d22c0a
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 alpstein.de

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

No credit card required
Get 1,000 Free Credits