Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mboxx.app
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:07:17 UTC · ↺ Refresh
MX Hostnames
- mx.postbox.uno
MX Priorities
- mx.postbox.uno: 10
A / AAAA Records
- 172.67.149.170 (no PTR)
- 104.21.29.192 (no PTR)
- 2606:4700:3032::ac43:95aa (no PTR)
- 2606:4700:3037::6815:1dc0 (no PTR)
Mail Server IPs
- 152.53.243.223 ↩ mx3.postbox.uno
SOA Record
Raw SOA
felicity.ns.cloudflare.com dns.cloudflare.com 2398780180 10000 2400 604800 1800
Primary NS (mname)
felicity.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398780180
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
felicity.ns.cloudflare.com
uma.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mx2.postbox.uno a:mx.postbox.uno ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 a:mx2.postbox.uno a:mx.postbox.uno ~all
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