You could use one of their publicly available apis to resolve the domain and obtain an ip. You'll find a list of api urls in the Firefox or Chrome addon script, in common.js.
A python example,
import requests
from random import choice
def domain_ip(domain):
'''Uses bdns api to resolve domain names'''
domain = domain.split('/')[2] if '://' in domain else domain
apis = ['https://example.com/r/', 'https://example.us/r/', 'https://example.bz/r/']
api = choice(apis)
r = requests.get(api+domain)
if r.status_code == 200:
ip = r.text.splitlines()[0]
print("Domain: {} IP: {}".format(domain, ip))
return ip
else:
print('HTTP Error: {}'.format(r.status_code))
ip = domain_ip('http://example.com')
if ip:
r = requests.get('http://'+ip)