Is optus.com.au legit? .au domain age, owner and risk check

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optus.com.aulow risk (5/100). first certificate 2016-10-12 (3671 days ago)

Domain age: 10.1 years (first certificate 2016-10-12)

Certificate history: 7437 certificates (CloudFlare, Inc., GlobalSign nv-sa)

History gap: continuous

Current certificate: valid to 2027-05-15

AI triage: not triaged (established before AI triage began)

Agent investigation: not needed

Registered business (ABN register, matched by name, not proof of ownership): OPTUS MOBILE PTY LIMITED, ABN 65 054 365 696.

namespace: .com.au

first seen: 2016-10-12

last seen: 2026-10-31

certificates: 7437

hostnames: 1792

data as of: 2026-11-01