theodor-schaefer.de

Valid Email Server
Domain Lookup › theodor-schaefer.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
theodor-schaefer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 22:50:50 UTC · ↺ Refresh

MX Hostnames

  • theodorschaefer-de01i.mail.protection.outlook.com

MX Priorities

  • theodorschaefer-de01i.mail.protection.outlook.com: 50

A / AAAA Records

  • 80.237.132.209 ↩ wp202.webpack.hosteurope.de
  • 2a01:488:42:1000:50ed:84d1:fffd:9886 (no PTR)

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.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

SOA Record

Raw SOA ns17.domaincontrol.com dns.jomax.net 2024042600 28800 7200 604800 600
Primary NS (mname)
ns17.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024042600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns17.domaincontrol.com
ns18.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 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

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