域名混淆

import dns.resolver
from difflib import get_close_matches

def check_similar_domains(domain, threshold=0.8):
    similar_domains = []
    try:
        answers = dns.resolver.resolve(domain, 'A')
        for rdata in answers:
            ip_address = str(rdata)
            # 这里可以添加更多的域名检测逻辑
            # 例如，查询DNS记录，检查WHOIS信息等
            # 示例中仅使用difflib进行简单的字符串匹配
            for i in range(1, 6):
                similar = get_close_matches(domain, [ip_address], n=i, cutoff=threshold)
                if similar:
                    similar_domains.extend(similar)
    except dns.resolver.NXDOMAIN:
        print(f"Domain {domain} does not exist.")
    except dns.resolver.NoAnswer:
        print(f"No answer for domain {domain}.")
    except dns.resolver.Timeout:
        print(f"Timeout for domain {domain}.")
    
    return similar_domains

# 示例使用
domain = "example.com"
similar_domains = check_similar_domains(domain)
print(f"Similar domains to {domain}: {similar_domains}")