Cdstm.cn 中国数字科技馆
中国数字科技馆是中国科协、教育部、中科院共建的一个基于互联网传播的国家级公益性科普服务平台
Server IP address resolved: Yes
Http response code: 200
Response time: 5.97 sec.
Last Checked: 06/19/2025
Cdstm.cn traffic volume is 288,095 unique daily visitors and their 1,224,405 pageviews. The web value rate of cdstm.cn is 16,084,411 USD. Each visitor makes around 4.55 page views on average.
By Alexa's traffic estimates cdstm.cn placed at 65,711 position over the world, while the largest amount of its visitors comes from China, where it takes 85 place.
Perfect for cdstm.cn that their data center (provided by company company China Telecom) is located in China, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by China Telecom.
Cdstm.cn registered under .CN top-level domain. Check other websites in .CN zone.
The last verification results, performed on (October 13, 2024) cdstm.cn show that cdstm.cn has an expired wildcard SSL certificate issued by TrustAsia Technologies, Inc. (expired on April 04, 2024). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by TrustAsia Technologies, Inc..
In accordance with Google Safe Browsing, Google Safe Search and Symantec cdstm.cn is pretty a safe domain.
Relying Google MobileFriendly test cdstm.cn is well optimized for mobile and tablet devices, however web page loading speed may be improved.
Audience Geography. Where are cdstm.cn visitors located?
| Country | Visitors |
|---|---|
 China CN | 98.3% |
| Japan JP | 0.7% |
| United States US | 0.6% |
| Other | 0.4% |
| Country | Pageviews |
|---|---|
| China CN | 98.3% |
| Japan JP | 0.7% |
| United States US | 0.6% |
| Other | 0.4% |
| Country | Rank |
|---|---|
| China CN | 85 |
| Japan JP | 6425 |
| United States US | 17730 |
Where do visitors go on cdstm.cn?
| Subdomain | Pageviews |
|---|---|
| cdstm.cn | 79.52% |
| cstm.cdstm.cn | 16.81% |
| hd.cdstm.cn | 1% |
| kjg.cdstm.cn | 0.69% |
| volunteer.cdstm.cn | 0.38% |
| amuseum.cdstm.cn | 0.3% |
| submarine.cdstm.cn | 0.24% |
| kpfwpt.cdstm.cn | 0.2% |
| zjbwg.cdstm.cn | 0.11% |
| dg.cdstm.cn | 0.09% |
| other | 0.64% |
| Subdomain | Pageviews per User |
|---|---|
| cdstm.cn | 4.16 |
| amuseum.cdstm.cn | 3.5 |
| cstm.cdstm.cn | 2.14 |
| job.cdstm.cn | 1 |
| resources.cdstm.cn | 1 |
| nxyqx.cdstm.cn | 1 |
| sshd.cdstm.cn | 1 |
| zjbwg.cdstm.cn | 1 |
| kpfwpt.cdstm.cn | 1 |
| submarine.cdstm.cn | 1 |
| other | 0.89 |
| Subdomain | Reach |
|---|---|
| cdstm.cn | 91.88% |
| cstm.cdstm.cn | 37.82% |
| hd.cdstm.cn | 4.62% |
| kjg.cdstm.cn | 3.26% |
| volunteer.cdstm.cn | 1.83% |
| submarine.cdstm.cn | 1.15% |
| kpfwpt.cdstm.cn | 0.96% |
| zjbwg.cdstm.cn | 0.53% |
| resources.cdstm.cn | 0.45% |
| dg.cdstm.cn | 0.44% |
| other | 2.82% |
How popular is cdstm.cn?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 592 | -46 |
| past month | 549 | -70 |
| past week | 259 | -46 |
| yesterday | 233 | -42 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 586 | -57 | 115 | 12% | 4.25 | 3% |
| 30 | 496 | -157 | 133 | 29% | 4.81 | 21% |
| 7 | 237 | -44 | 279 | 18% | 5 | -0.794% |
| 1 | 184 | -130 | 363 | 88% | 6.2 | 81% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 671 | -31 | 999 | 8.1% |
| 30 | 641 | -46 | 1020 | 6% |
| 7 | 297 | -68 | 2080 | 19% |
| 1 | 273 | -15 | 2200 | 4% |
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 ConnectSafe evaluates cdstm.cn for any unsafe and insecure content. The results are critical for families with young children.
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.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses cdstm.cn 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 cdstm.cn for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the cdstm.cn. This reputation system receives ratings from users and information from third-party sources, assesses the cdstm.cn for safety features and confirms, whether cdstm.cn is suitable for children.
| Domain | *.cdstm.cn |
| Issuer Organization | TrustAsia Technologies, Inc. |
| Issuer | TrustAsia OV TLS Pro CA G3 |
| Algorithm | RSA-SHA256 |
| Valid form | 03/24/2023 |
| Expiration | 04/04/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.cdstm.cn cdstm.cn |
ASN ID: 140293
ASN Title: China Telecom
Last Update: 04/04/2025
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS139578 - AS140601'
as-block: AS139578 - AS140601
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: 2019-06-13T01:03:23Z
source: APNIC
role: APNIC Hostmaster
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address: South Brisbane
address: QLD 4101
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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 'AS140293'
% Abuse contact for 'AS140293' is 'anti-spam@chinatelecom.cn'
aut-num: AS140293
as-name: CHINATELECOM-JIANGSU-CHANGZHOU-5G-NETWORK
descr: CHINATELECOM Jiangsu province Changzhou 5G network
descr: 213000
country: CN
org: ORG-CT1-AP
admin-c: CH93-AP
tech-c: CH93-AP
abuse-c: AC1573-AP
notify: zhengzm@chinatelecom.cn
mnt-lower: MAINT-CHINANET
mnt-routes: MAINT-CHINANET-JS
mnt-by: APNIC-HM
mnt-irt: IRT-CHINANET-CN
last-modified: 2020-05-14T11:15:09Z
source: APNIC
irt: IRT-CHINANET-CN
address: No.31 ,jingrong street,beijing
address: 100032
e-mail: anti-spam@chinatelecom.cn
abuse-mailbox: anti-spam@chinatelecom.cn
admin-c: CH93-AP
tech-c: CH93-AP
auth: # Filtered
remarks: anti-spam@chinatelecom.cn was validated on 2024-04-15
mnt-by: MAINT-CHINANET
last-modified: 2024-04-15T01:54:23Z
source: APNIC
organisation: ORG-CT1-AP
org-name: China Telecom
country: CN
address: Data Network Management Division
address: Network Operation & Maintenance Department
address: No 19 Chaoyangmen North Street
address: Dongcheng District
phone: +86-20-38639251
fax-no: +86-10-58501060
e-mail: zhengzm@chinatelecom.cn
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2019-09-16T12:55:07Z
source: APNIC
role: ABUSE CHINANETCN
address: No.31 ,jingrong street,beijing
address: 100032
country: ZZ
phone: +000000000
e-mail: anti-spam@chinatelecom.cn
admin-c: CH93-AP
tech-c: CH93-AP
nic-hdl: AC1573-AP
remarks: Generated from irt object IRT-CHINANET-CN
remarks: anti-spam@chinatelecom.cn was validated on 2024-04-15
abuse-mailbox: anti-spam@chinatelecom.cn
mnt-by: APNIC-ABUSE
last-modified: 2024-04-15T01:55:05Z
source: APNIC
person: Chinanet Hostmaster
nic-hdl: CH93-AP
e-mail: anti-spam@chinatelecom.cn
address: No.31 ,jingrong street,beijing
address: 100032
phone: +86-10-58501724
fax-no: +86-10-58501724
country: CN
mnt-by: MAINT-CHINANET
last-modified: 2022-02-28T06:53:44Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-US3)
Domain Name: cdstm.cn
ROID: 20060428s10001s51215830-cn
Domain Status: ok
Registrant: 中国科学技术馆
Registrant Contact Email: liuhao@cstm.org.cn
Sponsoring Registrar: 商中在线科技股份有限公司
Name Server: ns1.bdydns.cn
Name Server: ns2.bdydns.cn
Registration Time: 2006-04-28 14:25:58
Expiration Time: 2027-04-28 14:25:58
DNSSEC: unsigned
| Host | A Record | TTL |
|---|---|---|
| cdstm.cn | 4e4d9bf33e0205c2.cdn.jiashule.com | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| cdstm.cn | 4e4d9bf33e0205c2.cdn.jiashule.com. | 300 |
| Host | NS Record | TTL |
|---|---|---|
| cdstm.cn | ns1.bdydns.cn | 86400 |
| cdstm.cn | ns2.bdydns.cn | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| cdstm.cn | 300 |
ns1.bdydns.cn
TTL: 64000
Email address: sa.dudns.com
Serial: 2018082540
Refresh: 5
Retry: 5
Expire: 2592000
Minimum: 3600
Last tested: 06/02/2017
| Total Resources | 150 |
| Number of Hosts | 13 |
| Static Resources | 128 |
| JavaScript Resources | 18 |
| CSS Resources | 13 |
Last tested: 05/20/2017
| Total Resources | 111 |
| Number of Hosts | 12 |
| Static Resources | 99 |
| JavaScript Resources | 14 |
| CSS Resources | 6 |
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