ic.nssip wrote: > What I'm trying to do is to find a way to get the TTL left for a cached > record. > I usually use dnsquery like this (12m23s and 9m53s is what interest me): > > # dnsquery -n 8.8.8.8 -t a ftp.funet.fi > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47912 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 > ;; ftp.funet.fi, type = A, class = IN > ftp.funet.fi. 12m23s IN A 193.166.3.2 > # > # > # dnsquery -n 8.8.8.8 -t a ftp.funet.fi > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29770 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 > ;; ftp.funet.fi, type = A, class = IN > ftp.funet.fi. 9m53s IN A 193.166.3.2
acl...@yellow:~$ dig +noquestion +nocomments +nostats @8.8.8.8 ftp.funet.fi ; <<>> DiG 9.7.0 <<>> +noquestion +nocomments +nostats @8.8.8.8 ftp.funet.fi ; (1 server found) ;; global options: +cmd ftp.funet.fi. 900 IN A 193.166.3.2 See the 900? There's your TTL. Use dig. AlanC
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