biebertal.de

Valid Email Server
Domain Lookup › biebertal.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
biebertal.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 02:46:15 UTC · ↺ Refresh

MX Hostnames

  • biebertal-de.mail.cloud.nospamproxy.com

MX Priorities

  • biebertal-de.mail.cloud.nospamproxy.com: 10

A / AAAA Records

  • 217.160.0.218 ↩ 217-160-0-218.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2f6 ↩ 2001-08d8-100f-f000-0000-0000-0000-02f6.elastic-ssl.ui-r.com

Mail Server IPs

  • 178.212.92.66 ↩ de-s04-gw2.mail.cloud.nospamproxy.com
  • 193.37.132.21 ↩ de-s04-gw1.mail.cloud.nospamproxy.com

SOA Record

Raw SOA ns1064.ui-dns.biz hostmaster.1und1.com 2017060158 28800 7200 604800 600
Primary NS (mname)
ns1064.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060158
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1090.ui-dns.org
ns1062.ui-dns.de
ns1064.ui-dns.biz
ns1023.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:80.153.40.152 include:_spf1.ekom21.de include:spf.biebertal-de.cloud.nospamproxy.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

4 records
  • eB/jwdUIRYibO9V/vtQkJpDXflNcn+fVmyX50jLTy8Y=
  • SPFv=spf1 mx ip4:80.153.40.152 include:_spf1.ekom21.de include:spf.biebertal-de.cloud.nospamproxy.com -all
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=none
  • sophos-domain-verification=dd3a2a612ae46a17034954b640d3d1f08492106ba8edf65e568f96ecafc07a0f
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