Created
August 15, 2018 08:31
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ftp.gnu.org analysis
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| $ 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 |
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