ftp.gnu.org analysis

ftp.gnu.org-analysis.log

$ curl -v http://ftp.gnu.org/
*   Trying 208.118.235.20...
* TCP_NODELAY set
* Connection failed
* connect to 208.118.235.20 port 80 failed: Operation timed out
* Failed to connect to ftp.gnu.org port 80: Operation timed out
* Closing connection 0
curl: (7) Failed to connect to ftp.gnu.org port 80: Operation timed out

$ ping ftp.gnu.org
PING ftp.gnu.org (208.118.235.20): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
Request timeout for icmp_seq 4
^C
--- ftp.gnu.org ping statistics ---
6 packets transmitted, 0 packets received, 100.0% packet loss

$ whois gnu.org | grep "Name Server: ." | sort -u
Name Server: NS1.GNU.ORG
Name Server: NS3.GNU.ORG

$ ping ns1.gnu.org
PING ns1.gnu.org (208.118.235.164): 56 data bytes
64 bytes from 208.118.235.164: icmp_seq=0 ttl=52 time=243.726 ms
64 bytes from 208.118.235.164: icmp_seq=1 ttl=52 time=243.793 ms
64 bytes from 208.118.235.164: icmp_seq=2 ttl=52 time=243.898 ms
64 bytes from 208.118.235.164: icmp_seq=3 ttl=52 time=243.659 ms
64 bytes from 208.118.235.164: icmp_seq=4 ttl=52 time=243.408 ms
^C
--- ns1.gnu.org ping statistics ---
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 243.408/243.697/243.898/0.165 ms

$ ping ns3.gnu.org
PING ns3.gnu.org (46.43.37.70): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
Request timeout for icmp_seq 4
^C
--- ns3.gnu.org ping statistics ---
6 packets transmitted, 0 packets received, 100.0% packet loss