striebel-pm.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
striebel-pm.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 00:51:21 UTC · ↺ Refresh

MX Hostnames

  • striebelpm-de02b.mail.protection.outlook.com

MX Priorities

  • striebelpm-de02b.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.18.0.4 ↩ web01.m-online.net

Mail Server IPs

  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.m-online.net hostmaster.m-net.de 2017010900 10800 3600 2419200 3600
Primary NS (mname)
ns1.m-online.net
Admin Email (rname)
hostmaster@m-net.de
Serial
2017010900
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns3.m-online.net
ns2.m-online.net
ns4.m-online.net
ns1.m-online.net

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms39422631
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