arthur-krueger.de

Valid Email Server
Domain Lookup › arthur-krueger.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
arthur-krueger.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 06:24:07 UTC · ↺ Refresh

MX Hostnames

  • arthurkrueger-de01e.mail.protection.outlook.com

MX Priorities

  • arthurkrueger-de01e.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.53.214.55 ↩ www106.c.artfiles.de

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.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:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA auth1.artfiles.de hostmaster.artfiles.de 2026032401 28800 14400 806400 600
Primary NS (mname)
auth1.artfiles.de
Admin Email (rname)
hostmaster@artfiles.de
Serial
2026032401
Refresh
28800s
Retry
14400s
Expire
806400s
Minimum TTL
600s

Nameservers (NS)

auth2.artfiles.de
auth1.artfiles.de

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=2AD6D8D9E0D15C6BDCC8C2A03E5313413CF286D0
  • MS=ms79133371
  • google-site-verification=JtkBYqeFyczJH2k27oshupNPuXKNbgd_GijljMggwl8
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