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[gezhaozhi@gezhaozhideMacBook-Pro:/Users/gezhaozhi]
$curl 'https://dns.google.com/resolve?name=api.anote-app.com&type=A&edns_client_subnet=158.43.240.3'
{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 168,"data": "api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1436,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.54.124.8"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.212.54.123"}],"Additional":[],"edns_client_subnet": "158.43.240.3/0","Comment": "Response from 88.221.81.192."}
[gezhaozhi@gezhaozhideMacBook-Pro:/Users/gezhaozhi]
$curl 'https://dns.google.com/resolve?name=api.anote-app.com&type=A&edns_client_subnet=204.117.214.10'
{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 25,"data": "api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1525,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.212.54.123"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.54.124.8"}],"Additional":[],"edns_client_subnet": "204.117.214.10/0","Comment": "Response from 23.61.250.103."}
There's an error in your command.You need to quote the URL as it contains ampersands - anything following those will not be included in your request, so in this case the ECS information you've specified in the query string isn't sent.ben@thor:~$ curl "https://dns.google.com/resolve?name=api.anote-app.com&type=A&edns_client_subnet=204.117.214.10"{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 299,"data": "api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1799,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "2.17.210.16"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "2.17.210.48"}],"Additional":[],"edns_client_subnet": "204.117.214.10/0","Comment": "Response from 2.22.11.92."}
On Fri, Nov 9, 2018 at 9:18 AM, George Ge <gezh...@gmail.com> wrote:
On Friday, November 9, 2018 at 5:17:19 PM UTC+8, George Ge wrote:Hi. I am curious why Google DoH's ECS option is not effecting the result.I am aware that Akamai CDN does not accept ECS options, but Google DoH's recursive resolvers should be geo-distributed so that it is not a problem that Akamai not taking in ECS.Between Google DoH's recursive resolver and authoritative name servers (Akamai CDN in this case), is Google DoH solely replying on ECS to carry the clientIP?Thanks.
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[gezhaozhi@gezhaozhideMacBook-Pro:/Users/gezhaozhi]
$curl 'https://dns.google.com/resolve?name=api.anote-app.com&type=A&edns_client_subnet=158.43.240.3'
{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 168,"data":"api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1436,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL":19,"data": "23.54.124.8"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.212.54.123"}],"Additional":[],"edns_client_subnet": "158.43.240.3/0","Comment": "Response from 88.221.81.192."}
[gezhaozhi@gezhaozhideMacBook-Pro:/Users/gezhaozhi]
$curl 'https://dns.google.com/resolve?name=api.anote-app.com&type=A&edns_client_subnet=204.117.214.10'
{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 25,"data":"api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1525,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL":19,"data": "23.212.54.123"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.54.124.8"}],"Additional":[],"edns_client_subnet": "204.117.214.10/0","Comment": "Response from 23.61.250.103."}
There's an error in your command.
You need to quote the URL as it contains ampersands - anything following those will not be included in your request, so in this case the ECS information you've specified in the query string isn't sent.ben@thor:~$ curl "https://dns.google.com/resolve?name=api.anote-app.com&type=A&edns_client_subnet=204.117.214.10"{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 299,"data": "api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1799,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "2.17.210.16"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "2.17.210.48"}],"Additional":[],"edns_client_subnet": "204.117.214.10/0","Comment": "Response from 2.22.11.92."}
On Fri, Nov 9, 2018 at 9:18 AM, George Ge <gezh...@gmail.com> wrote:
On Friday, November 9, 2018 at 5:17:19 PM UTC+8, George Ge wrote:Hi. I am curious why Google DoH's ECS option is not effecting the result.I am aware that Akamai CDN does not accept ECS options, but Google DoH's recursive resolvers should be geo-distributed so that it is not a problem that Akamai not taking in ECS.Between Google DoH's recursive resolver and authoritative name servers (Akamai CDN in this case), is Google DoH solely replying on ECS to carry the clientIP?Thanks.
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$ curl ifconfig.me47.90.241.220
{"ip":"47.90.241.220","type":"ipv4","continent_code":"NA","continent_name":"North America","country_code":"US","country_name":"United States","region_code":"CA","region_name":"California","city":"San Mateo","zip":"94402","latitude":37.5507,"longitude":-122.3276,"location":{"geoname_id":5392423,"capital":"Washington D.C.","languages":[{"code":"en","name":"English","native":"English"}],"country_flag":"http:\/\/assets.ipstack.com\/flags\/us.svg","country_flag_emoji":"\ud83c\uddfa\ud83c\uddf8","country_flag_emoji_unicode":"U+1F1FA U+1F1F8","calling_code":"1","is_eu":false}}
{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 277,"data": "api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 686,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "104.112.235.104"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "104.112.235.75"}],"Comment": "Response from 72.246.52.147."}
$ curl ifconfig.me47.74.152.213
{"ip":"47.74.152.213","type":"ipv4","continent_code":"AS","continent_name":"Asia","country_code":"SG","country_name":"Singapore","region_code":"01","region_name":"Central Singapore Community Development Council","city":"Singapore","zip":null,"latitude":1.2931,"longitude":103.8558,"location":{"geoname_id":1880252,"capital":"Singapore","languages":[{"code":"en","name":"English","native":"English"},{"code":"ms","name":"Malay","native":"Bahasa Melayu"},{"code":"ta","name":"Tamil","native":"\u0ba4\u0bae\u0bbf\u0bb4\u0bcd"},{"code":"zh","name":"Chinese","native":"\u4e2d\u6587"}],"country_flag":"http:\/\/assets.ipstack.com\/flags\/sg.svg","country_flag_emoji":"\ud83c\uddf8\ud83c\uddec","country_flag_emoji_unicode":"U+1F1F8 U+1F1EC","calling_code":"65","is_eu":false}}
{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 98,"data": "api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1229,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "104.120.139.219"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "173.222.148.56"}],"Comment": "Response from 61.220.62.191."}
$ curl ifconfig.me120.52.147.46
{"ip":"120.52.147.46","type":"ipv4","continent_code":"AS","continent_name":"Asia","country_code":"CN","country_name":"China","region_code":null,"region_name":null,"city":null,"zip":null,"latitude":34.7725,"longitude":113.7266,"location":{"geoname_id":null,"capital":"Beijing","languages":[{"code":"zh","name":"Chinese","native":"\u4e2d\u6587"}],"country_flag":"http:\/\/assets.ipstack.com\/flags\/cn.svg","country_flag_emoji":"\ud83c\udde8\ud83c\uddf3","country_flag_emoji_unicode":"U+1F1E8 U+1F1F3","calling_code":"86","is_eu":false}}
{"Status": 0,"TC": false,"RD": true,"RA": true,"AD": false,"CD": false,"Question":[ {"name": "api.anote-app.com.","type": 1}],"Answer":[ {"name": "api.anote-app.com.","type": 5,"TTL": 299,"data": "api.anote-app.com.edgekey.net."},{"name": "api.anote-app.com.edgekey.net.","type": 5,"TTL": 1799,"data": "e25583.a.akamaiedge.net."},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.42.156.201"},{"name": "e25583.a.akamaiedge.net.","type": 1,"TTL": 19,"data": "23.42.156.240"}],"Comment": "Response from 203.198.20.159."}
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