> resolvectl query qwen.ai > qwen.ai: resolve call failed: DNSSEC validation failed: no-signature
And
https://dnsviz.net/d/qwen.ai/dnssec/ shows
aliyunga0019.com/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (8.129.152.246, UDP_-_EDNS0_512_D_KN)
> resolvectl query qwen.ai > qwen.ai: resolve call failed: DNSSEC validation failed: no-signature
And
https://dnsviz.net/d/qwen.ai/dnssec/ shows
aliyunga0019.com/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (8.129.152.246, UDP_-_EDNS0_512_D_KN)