I may have missed it if there's a discussion going on or if it was just mentioned, so please forgive me if that's the case.
Yup! You have missed one 
- Preev.com - DNS hosting service has expired.
Preev is down over the last 3 days and as other have mentioned, it has something to do with an expired domain. But then you can alternatively use bitmover's tool to get the average bitcoin price in the meantime while waiting for preev.
- https://bitcoindata.science/bitcoin-units-converter.html
I wish they had a developer account registered on this forum?
The developer has a bitcointalk account but it's inactive.- https://bitcointalk.org/index.php?action=profile;u=20586