mjohann.de

Valid Email Server
Domain Lookup › mjohann.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 08:07:34 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mjohann-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 178.254.10.132 ↩ sh16-23.1blu.de

Mail Server IPs

  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.1blu.de hostmaster.1blu.de 2025121101 43200 5400 604800 300
Primary NS (mname)
ns01.1blu.de
Admin Email (rname)
hostmaster@1blu.de
Serial
2025121101
Refresh
43200s
Retry
5400s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns01.1blu.de
ns02.1blu.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
  • MS=ms90068664
  • e0e2f6f1b333612906e25d07e0a52e0c0e7b8317b34ea70a70a9ee5460d0150
  • SPFv=spf1 include:spf.protection.outlook.com -all
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