How do I run DNS lookups in a Python AI agent?

Steps

1. Install the Strale Python SDK, straleio.
2. Create the client with your API key.
3. Call dns-lookup with a domain name.
4. Read the record fields and the SPF and DMARC flags.

The solution

# pip install straleio
from straleio import Strale, DoRequest

strale = Strale(api_key="sk_live_YOUR_KEY")  # the SDK needs a key, even for free tools

result = strale.do(DoRequest(
    capability_slug="dns-lookup",
    inputs={"domain": "google.com"},
    max_price_cents=5,
))

for record_type, records in result.output.items():
    if records:
        print(f"{record_type}: {records}")

How it works

One call queries several record types: a_records, aaaa_records, mx_records, txt_records, cname_records and ns_records. That is useful for domain research, email deliverability checks and security reviews.

The answer also has has_spf, has_dmarc and the parsed dmarc_record, so you do not have to read the TXT records yourself to see whether email authentication is set up.

DNS changes can take up to 48 hours to show up everywhere, so a very recent change may not appear yet.

Tools in this guide