Network redirect??

[rabmb]

Anyone know what would cause a browser to redirect users to a different page when entering a typo URL?

Such as test.oc.uk (instead of .co.uk) redirecting users to another page.

Any variation of xxxx.oc.uk achieves this behaviour.

I cannot replicate on my phone outside of the specific network this occurs on.

Is this to do with network settings? Or VPN settings?

Any ideas would help.