peterluebbert.de

Valid Email Server
Domain Lookup › peterluebbert.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 07:55:26 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 99.84.160.77 ↩ server-99-84-160-77.jfk50.r.cloudfront.net
  • 99.84.160.74 ↩ server-99-84-160-74.jfk50.r.cloudfront.net
  • 99.84.160.28
  • 99.84.160.33

Mail Server IPs

  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.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
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1140.awsdns-14.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1140.awsdns-14.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-887.awsdns-46.net
ns-1140.awsdns-14.org
ns-1705.awsdns-21.co.uk
ns-233.awsdns-29.com

SPF Record

✓ Strict (-all)
v=spf1 a mx a:smtp-relay.peterluebbert.de a:outlook.peterluebbert.de ip4:52.31.43.128 include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ 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
  • SPFv=spf1 a mx a:smtp-relay.peterluebbert.de a:outlook.peterluebbert.de ip4:52.31.43.128 include:spf.protection.outlook.com -all
  • MS=ms92630197
  • google-site-verification=PDixHvBS18Iar2B6OxDUU4MDyDu1or61K3e8LwkqOzY
Full email verification for peterluebbert.de

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