CLI utility for SPF, DMARC, TLS-RPT, and MTA-STS DNS lookups against a configurable resolver.
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cli-test-dns
A small CLI utility for DNS lookups against a configurable DNS server.
Features
- Query a CSV list of domains
- Lookup SPF, DMARC, TLS-RPT, and MTA-STS records
- Set custom DNS server address
- Output in table or CSV format
Build
cd cli-test-dns
go build ./cmd/cli-test-dns
Usage
# Single list of domains
./cli-test-dns -domains "example.com,kylecooper.me" -dns 127.0.0.1:53
# Load domains from CSV file
./cli-test-dns -file domains.csv -dns 127.0.0.1:53
# Output as CSV
./cli-test-dns -domains "example.com,kylecooper.me" -dns 127.0.0.1:53 -format csv
Supported lookups
- SPF: TXT records on the domain root
- DMARC: TXT record at
_dmarc.<domain> - TLS-RPT: TXT record at
_smtp._tls.<domain> - MTA-STS: TXT record at
_mta-sts.<domain>