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21cs.tw Summary


21cs.tw. Receives approximately 2,940 unique visitors per month. Server is located in Taiwan, IP address 140.115.158.215.

Website Info


Creation date n/a
Expiration date n/a
Name servers
  1. rsdn1.octor.com
  2. rsdn2.octor.com
IP address 140.115.158.215
Server located Taiwan
Host name 140.115.158.215

Alexa Traffic Ranks


Global Rank 6,071,989
Delta (90 Days) n/a
Most Popular In Country n/a
Country Rank n/a

Whois info


Domain Name: 21cs.tw
   Domain Status: clientUpdateProhibited,clientDeleteProhibited,clientTransferProhibited
   Registrant:       Li  Liang-Yi  lihenry12345@gmail.com

   Administrative Contact:       Li  Liang-Yi  lihenry12345@gmail.com

   Technical Contact:       Li  Liang-Yi  lihenry12345@gmail.com

   Record expires on 2023-12-03 (YYYY-MM-DD)
   Record created on 2013-12-03 (YYYY-MM-DD)

   Domain servers in listed order:       rsdn1.octor.com     
      rsdn2.octor.com     

Registration Service Provider: APT
Registration Service URL: https://emanager.aptg.com.tw

DNS Records


Host Type TTL Data
21cs.tw A 3597 ip: 140.115.158.215
21cs.tw MX 3600 pri: 10
target: mail.21cs.tw
21cs.tw NS 3600 target: rsdn1.octor.com
21cs.tw NS 3600 target: rsdn2.octor.com
21cs.tw SOA 3600 mname: rsdn1.octor.com
rname: dn.aptg.com.tw
serial: 2020111608
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 3600

HTTP Headers


Accept-Ranges: bytes
ETag: W/"63-1444146733392"
Last-Modified: Tue, 06 Oct 2015 15:52:13 GMT
Content-Type: text/html
Content-Length: 63
Date: Mon, 16 Nov 2020 02:00:20 GMT
Keep-Alive: timeout=20
Connection: keep-alive

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