dns-grab is a tool for doing DNS queries from a list of domain names.
go install github.com/WangYihang/dns-grab@latest$ dns-grab --h
Usage:
dns-grab [OPTIONS]
Application Options:
--input= input file path
--output= output file path
--status= status file path (default: -)
--num-workers= number of workers (default: 32)
--num-shards= number of shards (default: 1)
--shard= shard (default: 0)
--max-tries= max tries (default: 2)
--max-runtime-per-task-seconds= max runtime per task seconds (default: 8)
--qtype= qtype (default: A)
--resolver= resolver (default: 8.8.8.8:53)
--version print version and exit
Help Options:
-h, --help Show this help message
$ head input.txt
www.baidu.com
www.jd.com
www.tsinghua.edu.cn
www.pku.edu.cn$ dns-grab --input input.txt --output output.txt
...$ head -n 1 output.txt | jq{
"index": 0,
"id": "3a46f868-57e8-4ebe-bd4f-5d983e9f6a4c",
"started_at": 1712683765299936,
"finished_at": 1712683765300326,
"num_tries": 1,
"task": {
"qname": "www.baidu.com",
"qtype": "A",
"resolver": "8.8.8.8:53",
"dns": {
"request": {
"header": {
"id": 10740,
"qr": false,
"op": "QUERY",
"aa": false,
"tc": false,
"rd": true,
"ra": false,
"z": false,
"ad": false,
"cd": false,
"rc": "NOERROR"
},
"questions": [
{
"name": "www.baidu.com.",
"qtype": "A",
"qclass": "IN"
}
]
},
"response": {
"header": {
"id": 10740,
"qr": true,
"op": "QUERY",
"aa": false,
"tc": false,
"rd": true,
"ra": true,
"z": false,
"ad": false,
"cd": false,
"rc": "NOERROR"
},
"questions": [
{
"name": "www.baidu.com.",
"qtype": "A",
"qclass": "IN"
}
],
"answers": [
{
"rtype": "CNAME",
"rname": "www.baidu.com.",
"cname": "www.a.shifen.com."
},
{
"rtype": "A",
"rname": "www.a.shifen.com.",
"a": "182.61.200.6"
},
{
"rtype": "A",
"rname": "www.a.shifen.com.",
"a": "182.61.200.7"
}
]
}
}
},
"error": ""
}