To think it’s down to him to contact me if he wants to take DD on holiday

[Sidhefae]

DD (13) spent yesterday with her Dad. She came home very excited because he said he might be able to take her on holiday (abroad) at half term. He also decreed (according to DD) that I should contact him about it.

I don’t get why it’s down to me to make the first move to contact him when it’s he who wants to initiate a holiday.

For context, in 13 years DD has been invited to stay over at his house precisely once. He has never taken her on holiday before or even suggested it as a possibility.

AIBU to think that he should have contacted me before he mentioned it to DD? And AIBU to think that it’s really down to him to make the effort to get in touch to discuss it instead of commanding via our child that I contact him?

Lying awake worrying about this. I feel like I’ve been set up and can’t quite put my finger on why...

No point in worrying about who should contact whom. You can just ring him to solve that one.
I’d be more concerned that he is setting expectations he can’t or won’t keep.

Who has her passport?
I would be tempted to email him saying that dd is very excited that he is taking her on holiday.
Ask him to let you know his arrangements, does she need any vaccinations and when does he plan to book those and take her for them.

Also ask him to let you know the detsils of whatever travel insurance he buys for her in case any health related information needs to be confirmed.

Why not just contact him and ask him what he is planning?