Snapshot captured 2026-08-21 02:37 UTC. This page never changes. DNS may well have changed since.
Run a fresh checkoptus.com.au
Stored result from 3 hours ago · Re-check for a live scanRaw JSON
optus.com.au passes every check we run, scoring 100 out of 100.
- 2 checks could not be measured from our network and are excluded from the score.
Who runs what
Registrar
Corporation Service Company (Aust) Pty Ltd
Confident
- RDAP record at the registry
DNS
Akamai Edge DNS
Confident
- nameserver a1-84.akam.net
- nameserver a14-67.akam.net
Email
Mimecast
Confident
- MX au-smtp-inbound-2.mimecast.com
- MX au-smtp-inbound-1.mimecast.com
Hosting
Akamai
Confident
- CNAME to optus.com.au.edgekey.net
100/ 100
- 37passed
- 8notes
- 2not measured
Registration
Registrant contact details are redacted for almost every domain under GDPR. The registrar and its abuse contact below are the fields that actually get you to a human.
- Registrar
- Corporation Service Company (Aust) Pty Ltd
- Abuse contact
- [email protected]
- Abuse phone
- tel:+1.8887802723
- Last changed
- 2026-08-15
Nameservers at the registry
- a1-84.akam.net
- a14-67.akam.net
- a3-64.akam.net
- a4-65.akam.net
- a5-66.akam.net
- a8-67.akam.net
- dns0.optus.net.au
- dns1.optus.net.au
Status codes
- server delete prohibitedThe registry has blocked deletion, often during a dispute or investigation.
- server transfer prohibitedThe registry has blocked transfers. This is not something your registrar can lift on its own — it is often applied for the first 60 days after registration or a previous transfer.
- server update prohibitedThe registry has blocked updates. Usually a dispute, a legal hold, or a security measure on a high-value name.
Network the website sits on
- Address
- 23.219.64.16
- Netblock
- 23.192.0.0/11
- Owner
- Akamai Technologies, Inc.
- Network name
- AKAMAI
- Abuse contact
- [email protected]
Scanned in 6.5s using 222 DNS queries. This report is public for anyone who has the link — see About for what that means and how to opt out.