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/nu1q4cfuqdpvr95ekjn04rpxdkd6taan4yf3qtd4ge{
"isvalid": true,
"address": "nu1q4cfuqdpvr95ekjn04rpxdkd6taan4yf3qtd4ge",
"scriptPubKey": "0014ae13c0342c19699b4a6fa8c266d9ba5f7b3a9131",
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "ae13c0342c19699b4a6fa8c266d9ba5f7b3a9131"
}