4444.vn

Valid Email Server
Domain Lookup › 4444.vn

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
4444.vn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 08:36:28 UTC · ↺ Refresh

MX Hostnames

  • mail.4444.vn

MX Priorities

  • mail.4444.vn: 0

A / AAAA Records

  • 209.124.66.10 ↩ nl1-ts107.a2hosting.com

Mail Server IPs

  • 209.124.66.10 ↩ nl1-ts107.a2hosting.com

SOA Record

Raw SOA ns1.a2hosting.com root.nl1-ts107.a2hosting.com 2026030701 3600 1800 1209600 86400
Primary NS (mname)
ns1.a2hosting.com
Admin Email (rname)
root@nl1-ts107.a2hosting.com
Serial
2026030701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.a2hosting.com
ns2.a2hosting.com
ns3.a2hosting.com
ns1.a2hosting.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:209.124.66.10 include:spf.a2hosting.com +ip4:209.124.66.10 +a +mx +ip4:185.146.22.228 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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 ip4:209.124.66.10 include:spf.a2hosting.com +ip4:209.124.66.10 +a +mx +ip4:185.146.22.228 ~all
Full email verification for 4444.vn

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits