castle.org.au

Valid Email Server
Domain Lookup › castle.org.au

Domain Overview

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

Checked via [email protected] · 2026-03-14 01:48:25 UTC · ↺ Refresh

MX Hostnames

  • castle-personnel-services-ltd-mx1.firstcloudsecurity.net
  • castle-personnel-services-ltd-mx2.firstcloudsecurity.net

MX Priorities

  • castle-personnel-services-ltd-mx2.firstcloudsecurity.net: 20
  • castle-personnel-services-ltd-mx1.firstcloudsecurity.net: 10

A / AAAA Records

  • 52.64.217.41 ↩ ec2-52-64-217-41.ap-southeast-2.compute.amazonaws.com

Mail Server IPs

  • 54.206.211.164 ↩ imx2-sydney.firstcloudsecurity.net
  • 52.65.142.165 ↩ imx1-sydney.firstcloudsecurity.net

SOA Record

Raw SOA pdns11.domaincontrol.com dns.jomax.net 2026010500 28800 7200 604800 600
Primary NS (mname)
pdns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns12.domaincontrol.com
pdns11.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:103.104.164.240 ip4:103.104.165.26 ip4:202.124.241.178 include:spf.mpmailmx.com include:spf.everycloudtech.com include:spf.firstcloudsecurity.net include:spf.protection.outlook.com include:_spf.intacct.com include:_spf.elasticemail.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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

9 records
  • intacct-esk=E2AF1BC8222A0EF3E0533B06390A775E
  • MS=ms39708166
  • RhWk8X92padmSJ4nIKgPptgoz7ABfW2kw+YDNOkillZBZgYRegggDBOyZtZAz+skBRAG5hfECJUaFVtX/Ugwyg==
  • WGCLDCT
  • apple-domain-verification=EmokC0g55jdhpl6d
  • ZA=Bj28Qo6NS45OSwbm380ETA==
  • ghbqt4fa0rl90hpj2peph2p4ft
  • SPFv=spf1 ip4:103.104.164.240 ip4:103.104.165.26 ip4:202.124.241.178 include:spf.mpmailmx.com include:spf.everycloudtech.com include:spf.firstcloudsecurity.net include:spf.protection.outlook.com include:_spf.intacct.com include:_spf.elasticemail.com -all
  • google-site-verification=UHYS2g1YydTfQxMWuPxs454xHnBFvi-KYoM5UjBfD98
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