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OCI - Slow DNS name resolution (Doc ID 2544118.1)

Last updated on DECEMBER 01, 2023

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.

Symptoms

 OCI (Oracle Cloud Infrastructure) DNS (Domain Name System) resolution latency in resolving hostnames takes around 5 seconds to resolve a hostname.

Example:

# curl -so /dev/null -w "http_code=%{http_code}\ntime_namelookup=%{time_namelookup}\ntime_connect=%{time_connect}\ntime_pretransfer=%{time_pretransfer}\ntime_starttransfer=%{time_starttransfer}\nnum_connects=%{num_connects}\ntime_total=%{time_total}\n" ipv4.google.com
http_code=200
time_namelookup=5.515
time_connect=5.518
time_pretransfer=5.518
time_starttransfer=5.556
num_connects=1
time_total=5.556

Cause

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In this Document
Symptoms
Cause
Solution

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