k-brio.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
k-brio.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 03:25:53 UTC · ↺ Refresh

MX Hostnames

  • kbrio-de0c.mail.protection.outlook.com

MX Priorities

  • kbrio-de0c.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.159.135.42 (no PTR)

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com

SOA Record

Raw SOA ns1100.ui-dns.biz hostmaster.1und1.de 2017073225 28800 7200 604800 300
Primary NS (mname)
ns1100.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017073225
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1100.ui-dns.org
ns1100.ui-dns.com
ns1100.ui-dns.de
ns1100.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:emsd1.com include:relay.kinstamailservice.com -all
📊 DNS lookups: 3/10
✓ 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

✗ 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

4 records
  • google-site-verification=c1_zLifbrg2bXRO8K4fWME2guWheSXHYZ1z8p3AMR7A
  • google-site-verification=ayUC4Ye7gyClnTGo9e2bs1CZ-JufvyEMdGOK6SfGQwU
  • SPFv=spf1 include:spf.protection.outlook.com include:emsd1.com include:relay.kinstamailservice.com -all
  • msfpkey=ojql8dfv25kigpta6wwirgs0
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