Isdt.co ISDT-艾斯特
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Isdt.co Overview
Isdt.co belongs to CHINANET-SH-AP China Telecom (Group), CN. Check the list of other websites hosted by CHINANET-SH-AP China Telecom (Group), CN.
In terms of rank-to-traffic ratio, isdt.co has 1,557 unique users per day, viewing 3,145 pages. The rank based value of isdt.co is 2,333 USD. Every user makes 2.16 pageviews on average.
Isdt.co boasts a link base consisting of 245 referring domains and 288 external backlinks, as revealed by the data obtained from web network scanning.
Isdt.co top-level domain belongs to .CO domain zone. Check other webpages in .CO zone.
According the last verification test in July 05, 2025, isdt.co has an expired SSL certificate issued by DigiCert Inc (expired on July 28, 2025). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by DigiCert Inc.
Based on data from Google Safe Browsing, Google Safe Search and Symantec isdt.co is a fairly safe domain.
Based on Mobile-Friendly test by Google isdt.co is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.
Isdt.co Website Safety
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 isdt.co 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 isdt.co 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 isdt.co for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the isdt.co. This reputation system receives ratings from users and information from third-party sources, assesses the isdt.co for safety features and confirms, whether isdt.co is suitable for children.
| Domain | isdt.co |
| Issuer Organization | DigiCert Inc |
| Issuer | Encryption Everywhere DV TLS CA - G2 |
| Algorithm | RSA-SHA256 |
| Valid form | 04/30/2025 |
| Expiration | 07/28/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
isdt.co www.isdt.co |
Isdt.co Rank History
Alexa Rank shows how popular isdt.co is in comparison with other sites. The most popular site has Alexa Rank equals 1. If isdt.co has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to isdt.co and pageviews on isdt.co over the past 3 months.
Isdt.co Hosting Information
ASN ID: 4812
ASN Title: CHINANET-SH-AP China Telecom (Group), CNLast Update: 09/11/2025
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4608 - AS4864'
as-block: AS4608 - AS4864
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: 2008-09-04T06:40:26Z
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 'AS4812'
% Abuse contact for 'AS4812' is 'anti-spam@ns.chinanet.cn.net'
aut-num: AS4812
as-name: CHINANET-SH-AP
descr: China Telecom (Group)
descr: Shanghai Telecom Company
descr: Shanghai China
country: CN
import: from AS4134
action pref=100;
accept ANY
import: from AS9800
action pref=600;
accept AS9800
export: to AS4134
announce AS4812 AND AS9800
admin-c: XI5-AP
tech-c: GXH1-AP
tech-c: SJ102-AP
tech-c: CB38-AP
mnt-by: MAINT-CHINANET
mnt-irt: IRT-CHINANET-CN
mnt-lower: MAINT-CHINANET-SH
last-modified: 2015-12-01T22:12:22Z
source: APNIC
irt: IRT-CHINANET-CN
address: No.31 ,jingrong street,beijing
address: 100032
e-mail: anti-spam@ns.chinanet.cn.net
abuse-mailbox: anti-spam@ns.chinanet.cn.net
admin-c: CH93-AP
tech-c: CH93-AP
auth: # Filtered
mnt-by: MAINT-CHINANET
last-modified: 2010-11-15T00:31:55Z
source: APNIC
person: Chen Benyuan
address: 12F,333 WuSheng Road,Shanghai,200003
country: CN
phone: +86-21-63270333-2915
fax-no: +86-21-63722525
e-mail: cbenyuan@capricorn.sta.net.cn
nic-hdl: CB38-AP
mnt-by: MAINT-CHINANET-SH
last-modified: 2008-09-04T07:29:17Z
source: APNIC
person: Gu Xiao Han
address: No. 333,Wusheng Road,Shanghai,200003,PRC
country: CN
phone: +86-21-63596797
fax-no: +86-21-63722525
e-mail: gxh999@sh163.net
nic-hdl: GXH1-AP
mnt-by: MAINT-CHINANET-SH
last-modified: 2008-09-04T07:29:17Z
source: APNIC
person: Shi Jin
address: No. 333,Wusheng Road,Shanghai,200003
country: CN
phone: +86-21-63270333-2361
fax-no: +86-21-63724202
e-mail: shijin@sh163.net
nic-hdl: SJ102-AP
mnt-by: MAINT-CHINANET-SH
last-modified: 2008-09-04T07:29:17Z
source: APNIC
person: Wu Xiao Li
address: Room 805,61 North Si Chuan Road,Shanghai,200085,PRC
country: CN
phone: +86-21-63630562
fax-no: +86-21-63630566
e-mail: ipms@shtel.com.cn
nic-hdl: XI5-AP
mnt-by: MAINT-CHINANET-SH
abuse-mailbox: ip-admin@mail.online.sh.cn
last-modified: 2014-02-27T08:51:31Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)
Isdt.co Domain Registration and Settings
Domain Name: isdt.co
Registry Domain ID: D80683174-CO
Registrar-Reseller Name: HICHINA ZHICHENG TECHNOLOGY LTD
Registrar WHOIS Server: whois.aliyun.com
Registrar URL: www.net.cn
Updated Date: 2022-04-23T03:08:09Z
Creation Date: 2016-04-28T10:08:02Z
Registry Expiry Date: 2024-04-27T23:59:59Z
Registrar: Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Registrar IANA ID: 1599
Registrar Abuse Contact Email: domainabuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: SHENZHEN ISD TECHNOLOGY CO.,LTD
Registrant Street: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: guang dong
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: CN
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dns9.hichina.com
Name Server: dns10.hichina.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2023-08-12T19:52:09Z
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|
| Host | TXT Record | TTL |
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Isdt.co HTML Check
Isdt.co Desktop Performance
Last tested: 12/05/2016
| Total Resources | 47 |
| Number of Hosts | 8 |
| Static Resources | 41 |
| JavaScript Resources | 16 |
| CSS Resources | 12 |
Isdt.co Mobile Insights
Last tested: 12/05/2016
| Total Resources | 46 |
| Number of Hosts | 8 |
| Static Resources | 40 |
| JavaScript Resources | 16 |
| CSS Resources | 12 |
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