WRN github.com/k8gb-io/k8gb/controllers/providers/assistant/gslb.go:255 > can't resolve FQDN using nameservers error="exchange error: all dns servers were tried and none of them were able to resolve, err: read udp 10.241.2.234:57754->10.0.10.127:53: i/o timeout" fqdn=localtargets-item.gulimall.demo. nameservers=[{"Host":"10.0.10.127","Port":53}]

[13567436138]

2025-03-02T12:36:30Z INF github.com/k8gb-io/k8gb/controllers/providers/assistant/gslb.go:266 > Adding external Gslb targets from cluster cluster=gslb-ns-cn-bj-demo.demo
2025-03-02T12:36:30Z INF github.com/k8gb-io/k8gb/controllers/providers/assistant/gslb.go:275 > Resolved glue A record for NS edgeDNSServers=[{"Host":"10.0.10.128","Port":53}] glueARecord=[{"A":"10.0.10.127","Hdr":{"Class":1,"Name":"gslb-ns-cn-bj-demo.demo.","Rdlength":4,"Rrtype":1,"Ttl":30}}] nameserver=gslb-ns-cn-bj-demo.demo
2025-03-02T12:36:32Z WRN github.com/k8gb-io/k8gb/controllers/providers/assistant/gslb.go:255 > can't resolve FQDN using nameservers error="exchange error: all dns servers were tried and none of them were able to resolve, err: read udp 10.241.2.234:57754->10.0.10.127:53: i/o timeout" fqdn=localtargets-item.gulimall.demo. nameservers=[{"Host":"10.0.10.127","Port":53}]
2025-03-02T12:36:32Z INF github.com/k8gb-io/k8gb/controllers/dnsupdate.go:113 > No external targets have been found for host host=item.gulimall.demo

why the controller will connect to ingress gateway's ip and 53 port

[ytsarev]

it's really hard to tell what is happening without knowing the context of your setup. Could you share more details?