ernst-stein.de

Valid Email Server
Domain Lookup › ernst-stein.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ernst-stein.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 20:22:14 UTC · ↺ Refresh

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MX Hostnames

  • ernststein-de01c.mail.protection.outlook.com

MX Priorities

  • ernststein-de01c.mail.protection.outlook.com: 20

A / AAAA Records

  • 91.24.114.74 (no PTR)

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.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 ns5.kasserver.com hostmaster.kasserver.com 2608280847 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2608280847
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns3.kas-dns-server.de
ns5.kasserver.com
ns6.kasserver.com
a-dns-service.de

SPF Record

✓ Strict (-all)
v=spf1 mx a include:_spf.geneon.de include:spf.nl2go.com include:spf.protection.outlook.com include:spf.DE.exclaimer.net include:spf.EU.exclaimer.net ip4:185.68.136.12 ip4:87.138.170.72 ip4:91.24.114.75 ip4:85.13.150.63 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

3 records
  • SPFv=spf1 mx a include:_spf.geneon.de include:spf.nl2go.com include:spf.protection.outlook.com include:spf.DE.exclaimer.net include:spf.EU.exclaimer.net ip4:185.68.136.12 ip4:87.138.170.72 ip4:91.24.114.75 ip4:85.13.150.63 -all
  • brevo-code:3427aa47dfb727eaca1acfe458c95f5e
  • MS=ms51889977
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