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Re: [public-dns-discuss] Re: Ipv4 and ipv6: query results are different

It seems Alibaba finally fixed the problem:

$ dig www.aliexpress.com @2001:4860:4860::8888

; <<>> DiG 9.9.5-3ubuntu0.17-Ubuntu <<>> www.aliexpress.com @2001:4860:4860::8888
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64023
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1

; EDNS: version: 0, flags:; udp: 512
;www.aliexpress.com. IN A

www.aliexpress.com. 34 IN CNAME areaall-akamai.aliexpress.com.
areaall-akamai.aliexpress.com. 34 IN CNAME areaall-akamai.aliexpress.com.gds.alibabadns.com.
areaall-akamai.aliexpress.com.gds.alibabadns.com. 119 IN CNAME eu1111.alicdn.com.edgekey.net.
eu1111.alicdn.com.edgekey.net. 299 IN CNAME e11956.b.akamaiedge.net.
e11956.b.akamaiedge.net. 19 IN A

;; Query time: 1449 msec
;; SERVER: 2001:4860:4860::8888#53(2001:4860:4860::8888)
;; WHEN: Tue Apr 03 10:12:19 CEST 2018
;; MSG SIZE  rcvd: 228


On Tuesday, 24 October 2017 13:55:57 UTC+2, Alex Dupuy wrote:
Michal wrote:
Hm, are we certain this problem is on Alibaba's side? I just tested resolving www.aliexpress.com via OpenDNS' IPv6 servers (2620:0:ccc::2), and it works without issues - returns the same result as

Yes, this is Alibaba's problem. You can confirm this by sending queries with EDNS Client subnet data containing IPv6 addresses to their authoritative name servers.

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