masterhouse.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
masterhouse.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 17:18:08 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • masterhouse-de.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1071.ui-dns.biz hostmaster.1und1.com 2017060104 28800 7200 604800 600
Primary NS (mname)
ns1071.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060104
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1018.ui-dns.de
ns1071.ui-dns.biz
ns1093.ui-dns.com
ns1103.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ~all
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