handle dns resolver error for localhost

[antonyj7]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 21.42857% with 11 lines in your changes missing coverage. Please review.

Project coverage is 82.00%. Comparing base (bcf9171) to head (e672c88).
Report is 7 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/resolver/dns/dns_resolver.go	21.42%	10 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7672      +/-   ##
==========================================
+ Coverage   81.79%   82.00%   +0.20%     
==========================================
  Files         361      361              
  Lines       27821    27831      +10     
==========================================
+ Hits        22757    22823      +66     
+ Misses       3863     3828      -35     
+ Partials     1201     1180      -21     

Files with missing lines	Coverage Δ
internal/resolver/dns/dns_resolver.go	86.36% <21.42%> (-4.51%)	⬇️

... and 27 files with indirect coverage changes

[purnesh42H]

@antonyj7 we usually don't do draft PRs on main repo. I am assuming its a follow up PR for the issue of facing delay in dns lookup for localhost. If you want us to validate your approach, you can provide a proposal or link a PR from your fork in the issue #7429