4js.com.au

Valid Email Server
Domain Lookup › 4js.com.au

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
4js.com.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 19:06:40 UTC · ↺ Refresh

MX Hostnames

  • mx1.emailsrvr.com
  • mx2.emailsrvr.com

MX Priorities

  • mx2.emailsrvr.com: 20
  • mx1.emailsrvr.com: 10

A / AAAA Records

  • 20.248.240.54 (no PTR)

Mail Server IPs

  • 173.203.187.2 ↩ mx2.emailsrvr.com
  • 146.20.161.1 ↩ mx1.emailsrvr.com

SOA Record

Raw SOA ns1.melbourneit.net admin.melbourneit.net 2025062502 86400 7200 3600000 172800
Primary NS (mname)
ns1.melbourneit.net
Admin Email (rname)
admin@melbourneit.net
Serial
2025062502
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s

Nameservers (NS)

ns4.melbourneit.net
ns3.melbourneit.net
ns2.melbourneit.net
ns1.melbourneit.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:emailsrvr.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

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
  • SPFv=spf1 include:emailsrvr.com ~all
Full email verification for 4js.com.au

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

SPF / DKIM / DMARC Get 1,000 Free Credits