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/nu1q3cnn7gvzlukxzzjws39yflmxfkx0egekcpzayt{
"isvalid": true,
"address": "nu1q3cnn7gvzlukxzzjws39yflmxfkx0egekcpzayt",
"scriptPubKey": "00148e273f2182ff2c610a4e844a44ff664d8cfca336",
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "8e273f2182ff2c610a4e844a44ff664d8cfca336"
}