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Forum Discussion
How to enable DNS over TCP on Orbi
Certain domans lookups that return with a large list of responses failing currently with: ;; Truncated, retrying in TCP mode. From what I understood, this is because the response too large for U...
I saw this on the my computer (mac), when I was doing an nslookup command. My browser wouldn't load https://travel.state.gov, so I started troubleshooting.
➜ ~ nslookup travel.state.gov
;; Truncated, retrying in TCP mode.
;; Connection to <orbi_ip>#53(<orbi_ip>) for travel.state.gov failed: connection refused.
I confirmed that tcp port 53 is not open on the Orbi:
➜ ~ nc -vzu <orbi_ip> 53
Connection to <orbi_ip> port 53 [udp/domain] succeeded!
➜ ~ nc -vz <orbi_ip> 53
nc: connectx to <orbi_ip> port 53 (tcp) failed: Connection refused
However, today that nslookup command is working and the browser is loading the page fine.
What Firmware version is currently loaded?
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?