Route 53 SRV records not working - Help pls

Question

Hi Guys  
  
I need to set up 2 SRV Locator records as follows: https://www.dropbox.com/s/s48mxzaz22mnr17/2020-04-09_10-21-19.png?dl=0  
  
Here's the MS documentation: https://docs.microsoft.com/en-au/microsoft-365/admin/dns/create-dns-records-at-aws?view=o365-worldwide#BKMK_add_SRV  
  
So I set up the records here :  https://www.dropbox.com/s/jqsv0qv4yj3ucbk/2020-04-09_10-22-34.png?dl=0  
  
But they just don't show up when I use any of the DNS tools to look up SRV records. Even if I just create a dummy record I wait for several hours and I can't see it using https://mxtoolbox.com/SuperTool.aspx or any others. I've tried deleting and recreating. No luck.  
  
Any advice???

Accepted Answer

Hi,  
  
Your name server configuration is fine. If you changed it recently, that could be the problem; DNS resolvers cache name servers for up to two days. Here's an overview of how DNS works, including the part about resolver caching (plus a picture of the Mona Lisa ;-) ):  
  
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/welcome-dns-service.html#welcome-dns-service-how-route-53-routes-traffic  
  
I'm able to see _sip.karabiner.com.au when I use dig:  
  
https://www.digwebinterface.com/?hostnames=_sip.karabiner.com.au&type=SRV&showcommand=on&colorize=on&stats=on&trace=on&sort=on&ns=resolver&useresolver=8.8.4.4&nameservers=  
  
Scott

Route 53 SRV records not working - Help pls

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