auspost.com.au

Valid Email Server
Domain Lookup › auspost.com.au

Domain Overview

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

Checked via [email protected] · 2026-03-25 06:09:21 UTC · ↺ Refresh

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MX Hostnames

  • auspost-com-au.mail.protection.outlook.com

MX Priorities

  • auspost-com-au.mail.protection.outlook.com: 5

A / AAAA Records

  • 3.168.122.102 ↩ server-3-168-122-102.jfk52.r.cloudfront.net
  • 3.168.122.48 ↩ server-3-168-122-48.jfk52.r.cloudfront.net
  • 3.168.122.94 ↩ server-3-168-122-94.jfk52.r.cloudfront.net
  • 3.168.122.90 ↩ server-3-168-122-90.jfk52.r.cloudfront.net

Mail Server IPs

  • 52.101.149.2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
  • 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 52.101.149.0 ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1137.awsdns-14.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1137.awsdns-14.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-729.awsdns-27.net
ns-1137.awsdns-14.org
ns-1916.awsdns-47.co.uk
ns-443.awsdns-55.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.auspost.com.au include:spf2.auspost.com.au include:amazonses.com include:_spf.salesforce.com include:spf.exclaimer.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

23 records
  • MS=ms82491724
  • adobe-idp-site-verification=0e52f0bd-f839-45cd-b18f-47d4798dea26docusign=36e0f82f-5052-43a6-9c03-4d8176181528
  • smartsheet-site-validation=Dkq3VKbrOHxF-B5iwRguJdZMbzz8gzVq
  • adobe-idp-site-verification=37c19850ef587f53b8cc6e8c69a4cc32aef9d3b22b99f3c47349429ee089e25d
  • datadome-domain-verify=7BUhNEeR3NFYt0HRSJT9e1aKRiDMcm0Q
  • amazonses:/v+IHsT/qY8EgpdO8cs1JGpNAEiGLHKStOosZZ5oEQM=
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.auspost.com.au include:spf2.auspost.com.au include:amazonses.com include:_spf.salesforce.com include:spf.exclaimer.net -all
  • postman-domain-verification=8a5fabacc3d171d13b9131e0ba012a321fb42302c398e161ba3b32e1766cb52c56ef20af07e233cc914e969273b173a46f8b2d86e59517942e14988f548e9c3a
  • ruf=mailto:[email protected];
  • google-site-verification=exVrGvBG_7svPXfsaVllZ33K9NH2lvwmsD_T5XSsLuI
  • docusign=56bb2bba-ac0d-46e6-bcfd-e9ea89b0e063
  • google-site-verification=QhD6-X_6KSi05yMSb1_h_vv9q7HYMu6HhDzDD0OuOKI
  • docusign=6d398523-2dea-4cdc-9c2b-4dab7f8cdc82
  • ibmid=1af4d09c-0d95-4830-883b-7f0a8cce9967
  • paloaltonetworks-site-verification=0379854f9b2ada15809a6ac120bd03794eac9b220953fef7cec2dadcc68cd064
  • ciscocidomainverification=2931c84a6b1ecb9f4013038f588d5078624e9a635333e1e75925dbd7ec656984
  • confluent-verification=81cf19f5-883e-4ad4-9a4e-801aed230470
  • hv/eyuuzJm0OwG4SKf9YIp6D0loqnMQDqkWxyJ14F5MQJQC/Dq327ybJwCX9wPNV5MAKWB4DB/ndSIlYSYULKQ==
  • atlassian-domain-verification=XxGS0eRL7GiNFF2xlGaUZqKaopxAcKxJUHbgN23otws9bUTgmH0fl/jziLjyaE6H
  • SFMC-4zdIzjCl4EAkh8n35D9jYqKSx0T8Hb2OKQkZQn7C
  • apple-domain-verification=50Gnk5kEoAyPHT0a
  • 7WADrLONe8b81cWN_qpD
  • atlassian-domain-verification=NGYtVhNsQC28U6rzJs6528KE2IoW6MnlyxhakoXFLpDVWpjWwaF63tt9Hoh4NkZp
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