app.py

import gradio as gr
import dns.resolver

supported_types = [
    'A', 'AAAA', 'CAA', 'CNAME', 'DS', 'DNSKEY', 'MX',
    'NS', 'NSEC', 'NSEC3', 'RRSIG', 'SOA', 'TXT'
]

def dns_lookup(domain, record_type):
    resolver = dns.resolver.Resolver()
    try:
        answers = resolver.resolve(domain, record_type)
        records = [str(rdata) for rdata in answers]
        return '\n'.join(records)
    except Exception as e:
        return f"Error: {e}"

iface = gr.Interface(
    fn=dns_lookup,
    inputs=[
        gr.Textbox(lines=1, placeholder="example.com", label="Domain Name"),
        gr.Dropdown(choices=supported_types, value='A', label="Record Type")
    ],
    outputs=gr.Textbox(),
    title="DNS Resolver",
    description="Enter a domain name and select a DNS record type to perform a DNS lookup."
)

iface.launch()