Century21.com.tw 21世紀不動產 Century21

21世紀不動產提供您買屋、賣屋、海外投資置產及實價登錄行情等相關資訊,透過整合性的科技服務平台,讓您隨時隨地掌握全世界的最新房產資訊。

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 06/15/2024

Over the time century21.com.tw has been ranked as high as 39,459 in the world, while most of its traffic comes from Taiwan, where it reached as high as 6,430 position.

Century21.com.tw receives about 703 unique visitors and 1,968 pageviews per day. The estimated value of century21.com.tw is 39,420 USD. Each unique visitor makes about 2.8 pageviews on average.

Century21.com.tw is registered under .TW top-level domain. Check other websites in .TW zone.

At the time of the last check (June 14, 2025) century21.com.tw has an invalid SSL certificate.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust century21.com.tw is quite a safe domain.

Mobile-Friendly test indicates that century21.com.tw is well optimized for mobile and tablet devices, however website page loading time could be improved.


Global Rank
339,990
Average Load Time
3.00sec
Links In Count
334
Website Value
$39,420

Overview
Last Updated: 06/14/2025
Overall result - "century21.com.tw" is SAFE.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 03/22/2025
century21.com.tw is safe.

Norton ConnectSafe evaluates century21.com.tw for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 02/10/2019
century21.com.tw is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing
Last Updated: 01/09/2019
Malware not found at "century21.com.tw".
"century21.com.tw" is not a phishing page.
"century21.com.tw" does not install unwanted software.
"century21.com.tw" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/23/2021
century21.com.tw is safe.

McAfee assesses century21.com.tw for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze century21.com.tw for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/10/2019
century21.com.tw child safety isgood.

The WOT calculates reputation of the century21.com.tw. This reputation system receives ratings from users and information from third-party sources, assesses the century21.com.tw for safety features and confirms, whether century21.com.tw is suitable for children.

SSL Information
WARNING! Certificate download error. Previous scan results are shown below.
WARNING! Century21.com.tw is not secured by SSL certificate.
Server Location
Taipei
Province of China
Taiwan
ASN Information

Last Update: 04/12/2025

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-05-19T07:00:23Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS9915 - AS9924'

as-block: AS9915 - AS9924
descr: TWNIC-TW-AS-BLOCK
remarks: These AS numbers are further assigned by TWNIC
remarks: to TWNIC members
admin-c: TWA2-AP
tech-c: TWA2-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-TW-TWNIC
last-modified: 2017-06-29T23:49:13Z
source: APNIC

role: TWNIC Whois Administrator
address: Taiwan Network Information Center
address: 4F-2, No. 9 Sec. 2, Roosevelt Rd.,
address: Taipei, Taiwan, 100
country: TW
phone: +886-2-23411313
fax-no: +886-2-23968871
e-mail: hostmaster@twnic.net.tw
admin-c: ck373-AP
tech-c: SK140-AP
tech-c: NS10-AP
nic-hdl: TWA2-AP
notify: hostmaster@twnic.net.tw
mnt-by: MAINT-TW-TWNIC
last-modified: 2008-09-04T07:54:15Z
source: APNIC

% Information related to 'AS9919'

% Abuse contact for 'AS9919' is 'hostmaster@twnic.net.tw'

aut-num: AS9919
as-name: NCIC-TW
descr: New Century InfoComm Tech Co., Ltd.
descr: 12F, No.466, Rueiguang Rd.,
descr: Taipei, Taiwan, 114
country: TW
import: from AS7473
action pref=100;
accept ANY
import: from AS3462
action pref=90;
accept ANY
export: to AS7473
announce AS9919
export: to AS3462
announce AS9919
default: to AS7473
action pref=100;
networks ANY
admin-c: nNA3-AP
tech-c: nNA3-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-TWNIC-AP
last-modified: 2015-12-01T22:12:56Z
source: APNIC

irt: IRT-TWNIC-AP
address: Taipei, Taiwan, 100
e-mail: hostmaster@twnic.net.tw
abuse-mailbox: hostmaster@twnic.net.tw
admin-c: TWA2-AP
tech-c: TWA2-AP
auth: # Filtered
remarks: Please note that TWNIC is not an ISP and is not empowered
remarks: to investigate complaints of network abuse.
mnt-by: MAINT-TW-TWNIC
last-modified: 2015-10-08T07:58:24Z
source: APNIC

role: ncic Network Administrator
address: 1F~11F, No. 218, Rueiguang Road
address: Taipei, Taiwan, 114, R.O.C
country: TW
phone: +886-2-7715-5128
fax-no: +886-2-7715-5299
e-mail: DavidLin1@fareastone.com.tw
admin-c: JC256-AP
tech-c: JC256-AP
nic-hdl: nNA3-AP
remarks: The role object should be used when making
remarks: changes to admin-c or tech-c handle.
notify: hostmaster@twnic.net.tw
mnt-by: MAINT-TW-TWNIC
last-modified: 2010-05-31T07:44:01Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

WHOIS

Domain Name: century21.com.tw
Domain Status: clientTransferProhibited
Registrant:
二十一世紀不動產股份有限公司
CENTURY21 REAL ESTATE OF TAIWAN LTD.
c21it@century21.com.tw
TW
(Redacted for privacy)

Administrative Contact:
(Redacted for privacy)

Technical Contact:
(Redacted for privacy)

Record expires on 2026-05-31 00:00:00 (UTC+8)
Record created on 1997-05-01 11:58:26 (UTC+8)

Domain servers in listed order:
amanda.ns.cloudflare.com
vick.ns.cloudflare.com

Registration Service Provider: PCHOME
Registration Service URL: http://myname.pchome.com.tw

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
century21.com.twalt3.aspmx.l.google.com103600
century21.com.twaspmx3.googlemail.com103600
century21.com.twaspmx4.googlemail.com103600
century21.com.twaspmx.l.google.com13600
century21.com.twalt1.aspmx.l.google.com53600
century21.com.twalt2.aspmx.l.google.com53600
century21.com.twaspmx5.googlemail.com103600
century21.com.twalt4.aspmx.l.google.com103600
century21.com.twaspmx2.googlemail.com103600
HostNS RecordTTL
century21.com.twns1.cyberdns.tw3600
century21.com.twns2.cyberdns.tw3600
HostTXT RecordTTL
century21.com.twfacebook-domain-verification=w2af31iquxxoeaia0u7uddsx2o7tre3600

localhost\@
TTL: 3600
Email address: hostmaster.century21.com.tw
Serial: 2019
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Errors

Last tested: 10/12/2016

Desktop
Desktop Speed
30%
Desktop Resource Breakdown
Total Resources242
Number of Hosts35
Static Resources216
JavaScript Resources61
CSS Resources32

Last tested: 10/12/2016

Mobile
Mobile Usability
97%
Mobile Speed
31%
Mobile Resource Breakdown
Total Resources242
Number of Hosts39
Static Resources203
JavaScript Resources62
CSS Resources33
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