rb-webmedia.de

Valid Email Server
Domain Lookup › rb-webmedia.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rb-webmedia.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 21:24:59 UTC · ↺ Refresh

MX Hostnames

  • _dc-mx.3b8da2480523.rb-webmedia.de

MX Priorities

  • _dc-mx.3b8da2480523.rb-webmedia.de: 1

A / AAAA Records

  • 104.21.66.248 (no PTR)
  • 172.67.166.137 (no PTR)
  • 2606:4700:3033::ac43:a689 (no PTR)
  • 2606:4700:3037::6815:42f8 (no PTR)

Mail Server IPs

  • 94.23.209.12 ↩ server.web4free.eu
  • 2001:41d0:2:540c::2 ↩ server.web4free.eu

SOA Record

Raw SOA jean.ns.cloudflare.com dns.cloudflare.com 2400273334 10000 2400 604800 1800
Primary NS (mname)
jean.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400273334
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jean.ns.cloudflare.com
theo.ns.cloudflare.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
  • google-site-verification=dm6U35NeibVsOADC8RWKL6NUIrznj5qRsAjta_kQLEk
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