Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
postbw.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 05:07:52 UTC · ↺ Refresh
MX Hostnames
- postbw.com
MX Priorities
- postbw.com: 0
A / AAAA Records
- 209.74.77.37 ↩ server1.tempmailbox.email
Mail Server IPs
- 209.74.77.37 ↩ server1.tempmailbox.email
SOA Record
Raw SOA
ns1.tempmailbox.email root.server1.tempmailbox.email 2026021901 3600 1800 1209600 86400
Primary NS (mname)
ns1.tempmailbox.email
Admin Email (rname)
root@server1.tempmailbox.email
Serial
2026021901
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.tempmailbox.email
ns1.tempmailbox.email
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:209.74.77.37 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +ip4:209.74.77.37 ~all
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