business-support-luebeck.de

Valid Email Server
Domain Lookup › business-support-luebeck.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
business-support-luebeck.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 00:45:12 UTC · ↺ Refresh

MX Hostnames

  • mx2.agenturserver.de
  • businesssupportluebeck-de02b1b.mail.protection.outlook.com
  • mx1.agenturserver.de

MX Priorities

  • businesssupportluebeck-de02b1b.mail.protection.outlook.com: 10
  • mx1.agenturserver.de: 200
  • mx2.agenturserver.de: 200

A / AAAA Records

  • 185.237.67.56

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 185.15.192.56 ↩ mx1.agenturserver.de
  • 185.15.192.57 ↩ mx2.agenturserver.de

SOA Record

Raw SOA docks14.rzone.de hostmaster.strato-rz.de 2023041157 86400 7200 604800 300
Primary NS (mname)
docks14.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023041157
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades05.rzone.de
docks14.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:188.94.249.248 include:spf.protection.outlook.com include:agenturserver.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

4 records
  • SPFv=spf1 a mx ip4:188.94.249.248 include:spf.protection.outlook.com include:agenturserver.de -all
  • MS=ms66111137
  • google-site-verification=FXMpRJJIVlaXftxF22ZYlX-v2WX6_B8jsrkbx2waSTw
  • DMARCv=DMARC1;p=reject;rua=mailto:[email protected]
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