hoteluniondortmund.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-28 18:14:45 UTC · ↺ Refresh

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MX Hostnames

  • etrn.is.nl
  • hoteluniondortmund-de.mail.protection.outlook.com
  • mail.hoteluniondortmund.de

MX Priorities

  • hoteluniondortmund-de.mail.protection.outlook.com: 10
  • mail.hoteluniondortmund.de: 10
  • etrn.is.nl: 30

A / AAAA Records

  • 82.201.75.8

Mail Server IPs

  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 82.201.52.99 ↩ htlrsweb-01.ux.is.nl
  • 213.133.46.8 ↩ etrn.is.nl

SOA Record

Raw SOA ns1.evanzo.com admin.evanzo.net 2014121701 40000 7200 604800 86400
Primary NS (mname)
ns1.evanzo.com
Admin Email (rname)
admin@evanzo.net
Serial
2014121701
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns12.evanzo.de
ns1.evanzo.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hoteliers.com -all
📊 DNS lookups: 2/10
✓ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hoteliers.com -all
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