bluenine.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bluenine.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 02:53:53 UTC · ↺ Refresh

MX Hostnames

  • mxext1mailbox.org
  • mxext2.mailbox.org
  • mxext3.mailbox.org

MX Priorities

  • mxext2.mailbox.org: 10
  • mxext1mailbox.org: 10
  • mxext3.mailbox.org: 20

A / AAAA Records

  • 217.160.0.22 ↩ 217-160-0-22.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 80.241.60.215 ↩ mx2.mailbox.org
  • 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
  • 80.241.60.216 ↩ mx3.mailbox.org
  • 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org

SOA Record

Raw SOA ns1067.ui-dns.de hostmaster.1and1.com 2018070903 28800 7200 604800 300
Primary NS (mname)
ns1067.ui-dns.de
Admin Email (rname)
hostmaster@1and1.com
Serial
2018070903
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1091.ui-dns.biz
ns1047.ui-dns.org
ns1076.ui-dns.com
ns1067.ui-dns.de

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

No TXT records found.

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