pingのTTLとtracerouteによるOSの推定
pingの結果のTTLの値は、パケットが経由したノードの数の分だけ減ったものです。 したがって、tracerouteでネットワーク経路上のノードを数えて、その分の数字を足せば、ホストが返すTTLの初期値が得られます。 TTLの初期値 = pingのTTL + tracerouteの結果 たとえば、「www.nap-camp.com」の場合、 % ping www.nap-camp.com PING www.nap-camp.com (104.26.0.222): 56 data bytes 64 bytes from 104.26.0.222: icmp_seq=0 ttl=57 time=16.373 ms 64 bytes from 104.26.0.222: icmp_seq=1 ttl=57 time=32.292 ms % sudo traceroute -I www.nap-c
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Domain Dossier - Investigate domains and IP addresses, get owner and registrar information, see whois and DNS records
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GitHub - nxtrace/NTrace-core: NextTrace, an open source visual route tracking CLI tool
Online Ping, Traceroute, DNS lookup, WHOIS, Port check, Reverse lookup, Proxy checker, Bandwidth meter, Network calculator, Network mask calculator, Country by IP, Unit converter
