maitre-stefan.de

Valid Email Server
Domain Lookup › maitre-stefan.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
maitre-stefan.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 08:43:00 UTC · ↺ Refresh

MX Hostnames

  • maitrestefan-de01e.mail.protection.outlook.com

MX Priorities

  • maitrestefan-de01e.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.227.172.252 ↩ 212-227-172-252.elastic-ssl.ui-r.com
  • 2001:8d8:105:1::1:0:4 ↩ 2001-08d8-0105-0001-0000-0001-0000-0004.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1094.ui-dns.de hostmaster.1und1.de 2017050916 28800 7200 604800 300
Primary NS (mname)
ns1094.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017050916
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1094.ui-dns.com
ns1094.ui-dns.org
ns1094.ui-dns.de
ns1094.ui-dns.biz

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

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