firstclassslate.com.au

Valid Email Server
Domain Lookup › firstclassslate.com.au

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
firstclassslate.com.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 04:08:52 UTC · ↺ Refresh

MX Hostnames

  • mx3.email-hosting.net.au
  • mx1.email-hosting.net.au
  • mx4.email-hosting.net.au
  • mx2.email-hosting.net.au

MX Priorities

  • mx4.email-hosting.net.au: 30
  • mx1.email-hosting.net.au: 10
  • mx2.email-hosting.net.au: 10
  • mx3.email-hosting.net.au: 20

A / AAAA Records

  • 162.159.135.42 (no PTR)

Mail Server IPs

  • 103.42.110.227 ↩ in1.mxs.au
  • 103.42.110.219 ↩ in2.mxs.au
  • 112.140.176.6 ↩ in3.mxs.au

SOA Record

Raw SOA ns-687.awsdns-21.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-687.awsdns-21.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1873.awsdns-42.co.uk
ns-372.awsdns-46.com
ns-687.awsdns-21.net
ns-1367.awsdns-42.org

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.email-hosting.net.au ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

2 records
  • SPFv=spf1 a mx include:spf.email-hosting.net.au ~all
  • ca3-39a661a76b184a0d96cceb01d344da59
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