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Forum Discussion

AdityaKurundkar's avatar
AdityaKurundkar
Icon for Altostratus rankAltostratus
Nov 20, 2020

F5 DNS resolution issue

Hi Guys,   For one of our F5 GTM setup DNS resolution issue is happening.   Setup is as below: PUBLICUSER-F5GTM-VENDORWAF-F5GTM-F5LTM-BACKENDLTM-ENDSERVERS   While exploring application ...
application delivery
BIG-IP DNS
Simon_Blakely's avatar
Simon_Blakely
Icon for Employee rankEmployee
Nov 22, 2020

You should use the dig tool against the ISP DNS server to understand how the resolution is being answered.

dig @<ISP DNS server IP> <hostname>