Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbb.org
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 04:12:56 UTC · ↺ Refresh
MX Hostnames
- rack-host.net
MX Priorities
- rack-host.net: 0
A / AAAA Records
- 188.214.128.77 ↩ vps2.customhost.com
Mail Server IPs
- 208.66.194.178 ↩ 7.rack-host.net
SOA Record
Raw SOA
ns1.dyna-ns.net hostmaster.rbb.org 2026022101 16384 2048 1209600 300
Primary NS (mname)
ns1.dyna-ns.net
Admin Email (rname)
hostmaster@rbb.org
Serial
2026022101
Refresh
16384s
Retry
2048s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns2.dyna-ns.net
ns1.dyna-ns.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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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