All TLDs / .cba
What is .cba?
Registry operator: COMMONWEALTH BANK OF AUSTRALIA — per the IANA root database.
Source: IANA root zone database, checked August 23, 2026.
Is .cba a real domain extension?
Yes — .cba is a real top-level domain. It's present in the official IANA DNS root zone, which is the authoritative list of every live TLD on the internet.
Who runs .cba?
.cba is operated by COMMONWEALTH BANK OF AUSTRALIA, per the IANA root database.
What is .cba used for?
.cba is a dot-brand registry — it's reserved for COMMONWEALTH BANK OF AUSTRALIA and isn't used for third-party websites.
Can anyone register a .cba domain?
No. .cba is a closed brand registry, so it isn't available for public registration. A registrar search will confirm the current policy for any specific name.
Not sure this is the right extension? Start from what you’re building, or compare it on the full TLD list.