kemper.eu

Valid Email Server

Domain Overview

DNS: ✓ 22h ago Checker: ✓ 22h ago
kemper.eu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 21:05:57 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

  • kemper-eu.mail.protection.outlook.com

MX Priorities

  • kemper-eu.mail.protection.outlook.com: 10

A / AAAA Records

  • 91.99.163.20 ↩ static.20.163.99.91.clients.your-server.de

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.telekom-domains.de dns.telekom.de 2026052002 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2026052002
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s

Nameservers (NS)

ns2.telekom-domains.de
ns1.telekom-domains.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:195.243.18.254 ip4:65.52.147.92 ip4:195.243.18.40 a:kv-mailgateway.kemper.de include:spf.nl2go.com include:spf.protection.outlook.com include:144493793.spf10.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • kkKU1Ml2/uB0zgulF65NjylycAYMbN+zq9grp815mCIETB9ogjOOT4GQ3rt1JOBMN8XD7zxN5DvWLp4k+ZIfGQ==
  • D-TRUST=8DPMIUPRYNOCJAAG9UGHOIB
  • SPFv=spf1 ip4:195.243.18.254 ip4:65.52.147.92 ip4:195.243.18.40 a:kv-mailgateway.kemper.de include:spf.nl2go.com include:spf.protection.outlook.com include:144493793.spf10.hubspotemail.net -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 · Customize →
See demo & docs
Deep verification
Full email verification for kemper.eu

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

No credit card required
Get 1,000 Free Credits