ktr.legal

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ktr.legal
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 19:13:09 UTC · ↺ Refresh

MX Hostnames

  • mx01.kundenserver.de
  • mx00.kundenserver.de
  • ktr-legal.mail.protection.outlook.com

MX Priorities

  • ktr-legal.mail.protection.outlook.com: 0
  • mx01.kundenserver.de: 10
  • mx00.kundenserver.de: 10

A / AAAA Records

  • 185.175.196.72
  • 2a00:1c98:60:1101::674a:85e2

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns1019.ui-dns.de hostmaster.1and1.com 2017101203 28800 7200 604800 300
Primary NS (mname)
ns1019.ui-dns.de
Admin Email (rname)
hostmaster@1and1.com
Serial
2017101203
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1058.ui-dns.com
ns1083.ui-dns.org
ns1067.ui-dns.biz
ns1019.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • v=verifydomain MS=4552079
  • google-site-verification=zmZ_u0AnMrikT_Pxcr_DC3fVu24kWV5je2GP_tGTyig
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 ktr.legal

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

No credit card required
Get 1,000 Free Credits