Since this explorer is database-free, it doesn't natively support address balances & transaction history. However, you can check it in :
https://explorer.taobot.org/address/nu1q04mxg384cycfy3ekrf79m5h6n8unpqkquev3l8{
"isvalid": true,
"address": "nu1q04mxg384cycfy3ekrf79m5h6n8unpqkquev3l8",
"scriptPubKey": "00147d766444f5c1309247361a7c5dd2fa99f93082c0",
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "7d766444f5c1309247361a7c5dd2fa99f93082c0"
}