Exposing Couchbase from Kubernetes via NodePort

Hi,
I recently started setting up Couchbase cluster in Kubernetes using Autonomous Operator 2.0 (https://docs.couchbase.com/operator/current/howto-couchbase-create.html). The operator has created 3 nodes. I also used

exposedFeatures: client

So now, I have 3 couchbase-cluster-000x and one couchbase-cluster-ui services. As mentioned in couple of posts in this forum, I was trying to connect to the UI and couchbase-cluster-000x services from .Net SDK (2.7) using http://165.237.152.154:30341. But I keep getting error - Unable to bootstrap via CCCP. Also tried SDK Doctor and here is the output

17:58:08.095 INFO â–¶ Parsing connection string couchbase://165.237.152.154:30341/default
17:58:08.096 INFO â–¶ Connection string identifies the following CCCP endpoints:
17:58:08.096 INFO â–¶ 1. 165.237.152.154:30341
17:58:08.096 INFO â–¶ Connection string identifies the following HTTP endpoints:
17:58:08.096 INFO â–¶ Connection string specifies bucket default
17:58:08.096 WARN â–¶ Your connection string specifies only a single host. You should consider adding additional static nodes from your cluster to this list to improve your applications fault-tolerance
17:58:08.096 INFO â–¶ Performing DNS lookup for host 165.237.152.154
17:58:08.096 INFO â–¶ Attempting to connect to cluster via CCCP
17:58:08.096 INFO â–¶ Attempting to fetch config via cccp from 165.237.152.154:30341
18:03:08.184 ERRO â–¶ Failed to fetch configuration via cccp from 165.237.152.154:30341 (error: EOF)
18:03:08.184 INFO â–¶ Not attempting HTTP (Terse), as the connection string does not support it
18:03:08.184 INFO â–¶ Not attempting HTTP (Full), as the connection string does not support it
18:03:08.184 INFO â–¶ Selected the following network type:
18:03:08.184 ERRO â–¶ All endpoints specified by your connection string were unreachable, further cluster diagnostics are not possible
18:03:08.184 INFO â–¶ Diagnostics completed

Summary:
[WARN] Your connection string specifies only a single host. You should consider adding additional static nodes from your cluster to this list to improve your applications fault-tolerance
[ERRO] Failed to fetch configuration via cccp from 165.237.152.154:30341 (error: EOF)
[ERRO] All endpoints specified by your connection string were unreachable, further cluster diagnostics are not possible

Any idea what I can do further to diagnose the issue? We are planning to host our clients in the same Kubernetes cluster but want to be to connect from outside (dev machine) when developing.
Thanks,
Vaibhav