Unspecified error DNS query
Matus UHLAR - fantomas
uhlar at fantomas.sk
Sat Oct 8 14:08:53 UTC 2016
On 07.10.16 15:01, Daniel Dawalibi wrote:
>We are getting "Unspecified error" when querying our DNS server (Query:
>outlook.live.com) from a PC communication with our DNS
>We tried to perform the same query from the DNS itself (local host) and we
>found that the Dig output is showing with the following message "Truncated,
>retrying in TCP mode".
>We also observed that the message size of the requested query
>"outlook.live.com" increased recently from MSG SIZE 221 to 770
>Can you please help why we are getting this error (client side) and why the
>TCP mode is shown in the dig output since other queries do not show TCP mode
>in their output?
responses that are over 512 bytes (maximum packet size without EDNS) must be
truncated in UDP mode and thus must be responded in TCP mode.
dig +bufsize=4096 outlook.live.com.
that shoud avoid TCP...
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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Windows 2000: 640 MB ought to be enough for anybody
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