# DNs issue while connecting to upstream

**URL:** <https://discuss.konghq.com/t/dns-issue-while-connecting-to-upstream/8855>\
**Category:** General\
**Created:** [August 9, 2021, 7:50am UTC](https://discuss.konghq.com/t/dns-issue-while-connecting-to-upstream/8855 "2021-08-09T07:50:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sraravet](https://yyz2.discourse-cdn.com/flex036/user_avatar/discuss.konghq.com/sraravet/32/1504_2.png) [@sraravet](https://discuss.konghq.com/u/sraravet)\
**Post date:** [August 9, 2021, 7:50am UTC](https://discuss.konghq.com/t/dns-issue-while-connecting-to-upstream/8855/1 "2021-08-09T07:50:37Z")

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Hi

i am currently using kong 2.0.3 version in dbless mode .  
i have built one plugin which has some logic and based on that i am changing the upstream service.

but i am getting DNS error while connecting to upstream.

i am able to connect to that upstream via curl and insode my pod( am running in kubernetes)

i have tried “if dns\_cache\_only and target.balancer ~= nil then” in balancer.lua but no cluck

2021/08/09 07:41:47 [error] 187#0: \*20008 [lua] balancer.lua:921: execute(): DNS resolution failed: dns server error: 3 name error. Tried: ["(short)[https://portalui-nv.ces.svc.dev.k8s.pcloud36](https://portalui-nv.ces.svc.dev.k8s.pcloud36).:(na) - cache-miss","[https://portalui-nv.ces.svc.dev.k8s.pcloud36](https://portalui-nv.ces.svc.dev.k8s.pcloud36).:33

please help me to resolve this issue.

Thanks in advance

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<div class="post-metadata">

**Author:** ![surenraju](https://avatars.discourse-cdn.com/v4/letter/s/7feea3/32.png) [@surenraju](https://discuss.konghq.com/u/surenraju)\
**Post date:** [December 13, 2022, 8:38am UTC](https://discuss.konghq.com/t/dns-issue-while-connecting-to-upstream/8855/2 "2022-12-13T08:38:18Z")

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Hi @sraravet, Is there any chance this issue is resolved for you? Just curious if you found a solution. Thank you.