app.py

import gradio as gr
import dns.resolver

RECORD_TYPES = ["A", "AAAA", "MX", "NS", "CNAME", "TXT", "SOA"]

def dns_lookup(domain, record_type):
    try:
        result = dns.resolver.resolve(domain, record_type)
        output = f"🔍 DNS Lookup for `{record_type}` record(s) of `{domain}`:\n\n"
        for rdata in result:
            output += f"- {str(rdata)}\n"
        return output
    except dns.resolver.NoAnswer:
        return f"⚠️ No {record_type} record found for {domain}."
    except dns.resolver.NXDOMAIN:
        return "❌ Domain does not exist."
    except dns.resolver.Timeout:
        return "❌ DNS request timed out."
    except Exception as e:
        return f"❌ Error: {str(e)}"

iface = gr.Interface(
    fn=dns_lookup,
    inputs=[
        gr.Textbox(label="Enter Domain", placeholder="e.g. example.com"),
        gr.Dropdown(choices=RECORD_TYPES, label="Record Type", value="A")
    ],
    outputs=gr.Markdown(label="DNS Records"),
    title="🌐 DNS Lookup Tool",
    description="Query DNS records (A, MX, CNAME, NS, TXT, SOA, etc.) for a domain."
)

if __name__ == "__main__":
    iface.launch()