Nmap scan report for lws-desktop.dingtalk.com (47.246.137.203)
Host is up (0.058s latency).
Other addresses for lws-desktop.dingtalk.com (not scanned): 2408:4001:f10::114 2408:4001:f00::201 2408:4001:f00::17f 2401:b180:2000:80::16 2408:4001:f00::214 2408:4001:f00::f5 2408:4001:f00::54 2408:4001:f00::10 47.246.137.197 47.246.131.218 47.246.131.104
Not shown: 999 filtered tcp ports (no-response)
PORT    STATE SERVICE    VERSION
443/tcp open  ssl/https?
|_ssl-date: TLS randomness does not represent time
| ssl-cert: Subject: commonName=*.dingtalk.com/organizationName=Alibaba (China) Technology Co., Ltd./stateOrProvinceName=ZheJiang/countryName=CN
| Subject Alternative Name: DNS:*.dingtalk.com, DNS:dingtalk.com
| Not valid before: 2016-10-08T02:46:07
|_Not valid after:  2017-10-09T02:46:07
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
OS fingerprint not ideal because: Missing a closed TCP port so results incomplete
No OS matches for host
Network Distance: 16 hops

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.23 ms  208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177)
2   9.86 ms  gw.mcom-colocationamerica.com (208.64.231.81)
3   0.84 ms  r2b4.n1.p1401.lax.multacom.net (64.69.46.11)
4   0.90 ms  hu0-5-0-25.ccr41.lax01.atlas.cogentco.com (38.88.244.128)
5   10.90 ms be2931.ccr31.phx01.atlas.cogentco.com (154.54.44.85)
6   19.97 ms be5471.ccr21.elp02.atlas.cogentco.com (154.54.166.57)
7   30.98 ms be3821.ccr31.dfw01.atlas.cogentco.com (154.54.165.25)
8   64.88 ms port-channel8121.ccr91.jan02.atlas.cogentco.com (154.54.40.250)
9   45.36 ms be3009.ccr41.atl01.atlas.cogentco.com (154.54.29.133)
10  61.54 ms port-channel3482.ccr91.dca04.atlas.cogentco.com (154.54.169.177)
11  63.59 ms be3025.ccr42.iad02.atlas.cogentco.com (154.54.28.30)
12  ... 15
16  58.35 ms 47.246.137.203

OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 49.25 seconds