lre.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lre.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 10:59:42 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • lre-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 213.133.104.77 ↩ www77.your-server.de
  • 2a01:4f8:d0a:2780::2 ↩ www77.your-server.de

Mail Server IPs

  • 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
  • 52.101.168.0 ↩ mail-beup281cu00100.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

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026031900 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:176.9.104.240 ip4:54.229.2.165 ip4:52.30.130.201 -all
📊 DNS lookups: 2/10
✓ 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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:176.9.104.240 ip4:54.229.2.165 ip4:52.30.130.201 -all
  • MS=1C5B607BC761E9A6E54D05AB807FB52521A320A6
  • MS=ms11613953
  • apple-domain-verification=LfxxAVZgMc8lB6aE
  • atlassian-domain-verification=pjIwwSToWajmi0uCtMYEpWQ5pWApPUjqgeea7YqE4gq91fFw2RvYYz63cl277/p0
  • google-site-verification=nLuMwne_Z7ROmAvpFUHJ2jrga5u3yeo3kPXtLe2O_3Q
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