Firewalla gold user here - I'm having a weird issue where DNS queries to webex.com won't resolve from behind my firewalla. It doesn't matter which resolvers I try, I've done a dig to 126.96.36.199, 188.8.131.52, 184.108.40.206, etc. and all deliver no response. Domain works fine while on VPN or cellular with my phone, but any client behind the firewalla can't resolve. I have the firewalla handing out 192.168.1.1 as DNS via DHCP and then the firewalla WAN is set to 220.127.116.11.
When I try to run the query, I get the following:
; <<>> DiG 9.10.6 <<>> @18.104.22.168 webex.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 13665
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; OPT=15: 00 16 61 74 20 64 65 6c 65 67 61 74 69 6f 6e 20 77 65 62 65 78 2e 63 6f 6d 2e ("..at delegation webex.com.")
;; QUESTION SECTION:
;webex.com. IN A
;; Query time: 18 msec
;; SERVER: 22.214.171.124#53(126.96.36.199)
I don't have any blocking rules in place besides the default. Other domains seem to work just fine.
Anyone have any ideas?
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