glbrain.com

Valid Email Server
Domain Lookup › glbrain.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
glbrain.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 05:51:07 UTC · ↺ Refresh

MX Hostnames

  • mail.glbrain.com

MX Priorities

  • mail.glbrain.com: 10

A / AAAA Records

  • 172.67.136.249 (no PTR)
  • 104.21.89.35 (no PTR)
  • 2606:4700:3036::ac43:88f9 (no PTR)
  • 2606:4700:3036::6815:5923 (no PTR)

Mail Server IPs

  • 81.19.149.66 ↩ mail18.world4you.com

SOA Record

Raw SOA emma.ns.cloudflare.com dns.cloudflare.com 2397068030 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397068030
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ignacio.ns.cloudflare.com
emma.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
  • TXT v=spf1 mx include:spf.w4ymail.at -all
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