optus.net

Valid Email Server
Domain Lookup › optus.net

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
optus.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 22:26:57 UTC · ↺ Refresh

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MX Hostnames

  • mx-10.au-east.atmailcloud.com
  • mx-20.au-east.atmailcloud.com

MX Priorities

  • mx-20.au-east.atmailcloud.com: 20
  • mx-10.au-east.atmailcloud.com: 10

A / AAAA Records

  • 211.29.132.105 (no PTR)

Mail Server IPs

  • 13.237.46.187 ↩ ec2-13-237-46-187.ap-southeast-2.compute.amazonaws.com
  • 52.65.162.33 ↩ ec2-52-65-162-33.ap-southeast-2.compute.amazonaws.com

SOA Record

Raw SOA ns1.optusnet.com.au hostmaster.optusnet.com.au 2026050400 3600 1800 3600000 3600
Primary NS (mname)
ns1.optusnet.com.au
Admin Email (rname)
hostmaster@optusnet.com.au
Serial
2026050400
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

a2-65.akam.net
a24-66.akam.net
a26-66.akam.net
a9-67.akam.net
ns1.optus.net
ns2.optus.net
ns1.optusnet.com.au
ns2.optusnet.com.au
a1-70.akam.net
a11-65.akam.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:211.29.132.0/23 ip4:211.31.132.0/23 ip4:211.29.152.0/23 ip4:103.150.252.0/24 ip4:204.145.97.0/24 include:spf.au-east.atmailcloud.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

8 records
  • _an6h353q3a2s93fsg9292xh2rjjrgpc
  • 311036dc-b462-4aa5-8b67-fad89882b1b4
  • SPFv=spf1 ip4:211.29.132.0/23 ip4:211.31.132.0/23 ip4:211.29.152.0/23 ip4:103.150.252.0/24 ip4:204.145.97.0/24 include:spf.au-east.atmailcloud.com ~all
  • cc2e3524-b5e1-465e-972d-6bf213913181
  • dtm-domain-verification=GD_SWc57XK-czMqW8nVs-hOPg1XPo3ytItZQDoEpvo8
  • google-site-verification=HhBRDCTnew1BalHGXmmZHLfKaj_QtBr4kcl1XTFwfzg
  • dtm-domain-verification=lpJsgkJdscKzRx_nhvMnT6zXCVaUdW-MXokZFQmFREQ
  • 6nxqd0n6gf5c4fb5rf7k7cnll78mh7t4
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