$ curl http://localhost:5000/lookup/www.cnn.co.uk{
"LastNS": "8.8.8.8",
"CNAME": [
"cnn.co.uk."
],
"A": []
}$ curl http://localhost:5000/lookup/www.herokuapp.com?nocache=true{
"LastNS": "ns-662.awsdns-18.net.",
"CNAME": [],
"A": [
"184.72.248.52",
"54.243.194.238"
]
}$ curl http://localhost:5000/lookup/www.heroku.com?nocache=true{
"LastNS": "ns1.p19.dynect.net.",
"CNAME": [
"kyoto-7460.herokussl-b.com."
],
"A": []
}$ curl http://localhost:5000/verify_target/www.rapgenius.com/proxy.heroku.com?nocache=true -s | jq '.'{
"data": {
"www.rapgenius.com.": {
"LastNS": "ns39.domaincontrol.com.",
"CNAME": "proxy.heroku.com.",
"A": []
}
},
"message": "direct CNAME match",
"code": 1,
"status": "ok"
}$ curl http://localhost:5000/verify_target/www.mwmanning.com/mattmanning.herokuapp.com?nocache=true -s | jq '.'{
"data": {
"www.mwmanning.com.": {
"LastNS": "ns1.dnsimple.com.",
"CNAME": "mattmanning.herokuapp.com.",
"A": []
}
},
"message": "direct CNAME match",
"code": 1,
"status": "ok"
}$ curl http://localhost:5000/verify_target/www.mwmanning.com/mattmanning.heroku.com?nocache=true -s | jq '.'{
"data": {
"www.mwmanning.com.": {
"LastNS": "ns1.dnsimple.com.",
"CNAME": "mattmanning.herokuapp.com.",
"A": []
},
"mattmanning.heroku.com.": {
"LastNS": "ns1.p19.dynect.net.",
"CNAME": "proxy.heroku.com.",
"A": []
}
},
"message": "no matches",
"code": 0,
"status": "no_match"
}This lets the resolver know that the target record is an ALIAS record, and lets it compare against the ALIAS target's IPs / A records rather than those returned by the target itself.
$ curl "http://localhost:5000/verify_target/mwmanning.com/mattmanning.herokuapp.com?nocache=true&target_alias=argon-stack-12345.us-east-1.elb.amazonaws.com" -s | jq '.'{
"data": {
"mwmanning.com.": {
"LastNS": "ns4.dnsimple.com.",
"CNAME": "",
"A": [
"50.19.249.227",
"54.243.85.64"
]
},
"argon-stack-12345.us-east-1.elb.amazonaws.com.": {
"LastNS": "ns-947.amazonaws.com.",
"CNAME": "",
"A": [
"107.20.162.205",
"54.243.194.238",
"23.23.231.180",
"23.23.204.240",
"184.72.248.52",
"50.19.249.227",
"184.73.167.111",
"54.243.90.245",
"50.19.86.241",
"54.243.85.64",
"54.243.92.108",
"107.22.226.64",
"54.243.97.145",
"23.21.239.236",
"50.19.92.116",
"107.20.236.186",
"23.21.162.250",
"23.23.113.171"
]
}
},
"message": "ALIAS or Static IP match",
"code": 2,
"status": "warning"
}