CDN Vendor CNAME No Response Issue

Problem description

A large number of IPv6 access errors occurred in the task, Error Description: Unable to resolve server name or address

Problem analysis

(1) Instant Testing reappears and data error is reported, indicating that the problem has always existed

(2) Check the packet capture and point to the CNAME, but the corresponding CNAME has not responded;

(3) The same Probe accesses Baidu, JD.com, Taobao and other addresses, and the IPv6 data is normal. This step is to determine whether there is a problem with Probe

Problem feedback

(1) There is no problem with Probe;
(2) Through the packet capture information, it is found that CNAME has not responded to the data;
(3) If it is suspected that the CDN manufacturer has a parsing problem, feed the data back to the CDN manufacturer for troubleshooting;

CDN Vendor CNAME No Response Issue

Problem description#

Problem analysis#

Problem feedback#

Problem description

Problem analysis

Problem feedback