hotel-blanco.de

Valid Email Server
Domain Lookup › hotel-blanco.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hotel-blanco.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 19:12:16 UTC · ↺ Refresh

MX Hostnames

  • mx.nmmn.com

MX Priorities

  • mx.nmmn.com: 10

A / AAAA Records

  • 217.114.76.30 (no PTR)

Mail Server IPs

  • 217.114.70.6 ↩ mx01.nmmn.com
  • 217.114.77.12 ↩ mx03.nmmn.com
  • 217.114.77.14 ↩ mx02.nmmn.com
  • 2a01:688:2:4:2:2::2 ↩ mx02.nmmn.com
  • 2a01:688:2:4:2:2::3 ↩ mx03.nmmn.com
  • 2a01:688:4:69:1::11 ↩ mx01.nmmn.com

SOA Record

Raw SOA ns2.nmmn.com root.hotel-blanco.de 2022121401 28800 7200 604800 86400
Primary NS (mname)
ns2.nmmn.com
Admin Email (rname)
root@hotel-blanco.de
Serial
2022121401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns3.nmmn.de
ns2.nmmn.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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
  • d0c2dc0e50cb768b62fd5413a0ba756c275522908c64721365f37bd5f9f6796
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