Sfn.cn 中科三方-国科控股旗下域名管理专家
中科三方，国科控股旗下域名管理专家，多年为70%的国家机关、50%的大型央企、50%的大型金融机构以及100+中国500强企业等关键领域核心客户提供域名管理方案、域名监测、域名解析、SSL证书等信息化服务。热线电话:400-6906-400。
Sfn.cn Overview
Sfn.cn ranking shows that the page is at position 821,182 over the world.
In terms of rank-to-traffic ratio, sfn.cn has 167 unique users per day, viewing 843 pages. The rank based value of sfn.cn is 6,314 USD. Every user makes 5.35 pageviews on average.
Sfn.cn boasts a link base consisting of 219 referring domains and 238 external backlinks, as revealed by the data obtained from web network scanning.
Sfn.cn top-level domain belongs to .CN domain zone. Check other webpages in .CN zone.
According the last verification test in July 04, 2024, sfn.cn has a valid and up-to-date SSL certificate issued by China Financial Certification Authority , certificate expiration date: March 22, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by China Financial Certification Authority.
Based on data from Google Safe Browsing, Google Safe Search and Symantec sfn.cn is a fairly safe domain.
According the Mobile-Friendly test by Google sfn.cn is nice optimized for mobile devices and tablets, however the webpage speed could be improved.
Sfn.cn Rank Summary
Sfn.cn 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 sfn.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 sfn.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 sfn.cn for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the sfn.cn. This reputation system receives ratings from users and information from third-party sources, assesses the sfn.cn for safety features and confirms, whether sfn.cn is suitable for children.
| Domain | guokeyun.com |
| Issuer Organization | China Financial Certification Authority |
| Issuer | CFCA EV OCA |
| Algorithm | RSA-SHA256 |
| Valid form | 03/22/2024 |
| Expiration | 03/22/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
guokeyun.com www.guokeyun.com sfn.cn www.sfn.cn |
Sfn.cn Rank History
Alexa Rank shows how popular sfn.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If sfn.cn 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 sfn.cn and pageviews on sfn.cn over the past 3 months.
Sfn.cn Hosting Information
ASN ID: 7497
ASN Title: CSTNET-AS-AP Computer Network Information Center, CNLast Update: 10/30/2024
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% Information related to 'AS7467 - AS7722'
as-block: AS7467 - AS7722
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 'AS7497'
% Abuse contact for 'AS7497' is 'ipas@cnnic.cn'
aut-num: AS7497
as-name: CSTNET-AS-AP
descr: Computer Network Information Center
descr: Chinese Academy of Science
descr: 4,4th South Street,Zhongguancun,Haidian District,Beijing, China ,P.O. Box 349 (100190)
country: CN
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export: to AS10026 announce
admin-c: LH90-AP
tech-c: LH90-AP
mnt-lower: MAINT-CN-LIHONG
mnt-routes: MAINT-CN-CSTNET
mnt-by: MAINT-CN-CSTNET
mnt-irt: IRT-CNNIC-CN
last-modified: 2015-12-01T22:13:14Z
source: APNIC
irt: IRT-CNNIC-CN
address: Beijing, China
e-mail: ipas@cnnic.cn
abuse-mailbox: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
auth: # Filtered
remarks: Please note that CNNIC is not an ISP and is not
remarks: empowered to investigate complaints of network abuse.
remarks: Please contact the tech-c or admin-c of the network.
mnt-by: MAINT-CNNIC-AP
last-modified: 2017-11-01T08:57:39Z
source: APNIC
person: Li Hong
nic-hdl: LH90-AP
e-mail: lihong@cstnet.net.cn
address: No.4, Zhongguancun 4th South Street, Haidian District, Beijing
phone: +86-10-58812000
fax-no: +86-10-58812900
country: CN
mnt-by: MAINT-CN-LIHONG
last-modified: 2008-09-04T07:29:19Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)
Sfn.cn Domain Registration and Settings
Domain Name: sfn.cn
ROID: 20030311s10001s00038525-cn
Domain Status: clientDeleteProhibited
Domain Status: clientUpdateProhibited
Domain Status: clientTransferProhibited
Registrant: 北京国科云计算技术有限公司
Registrant Contact Email: market@sfn.cn
Sponsoring Registrar: 北京国科云计算技术有限公司（原北京中科三方网络技术有限公司）
Name Server: vip1.sfndns.cn
Name Server: vip2.sfndns.cn
Registration Time: 2003-03-17 12:20:05
Expiration Time: 2026-03-17 12:48:36
DNSSEC: unsigned
| Host | A Record | TTL |
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| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
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| Host | TXT Record | TTL |
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Sfn.cn HTML Check
Sfn.cn Desktop Performance
Last tested: 08/11/2019
| Total Resources | 29 |
| Number of Hosts | 2 |
| Static Resources | 26 |
| JavaScript Resources | 7 |
| CSS Resources | 3 |
Sfn.cn Mobile Insights
Last tested: 02/03/2018
| Total Resources | 30 |
| Number of Hosts | 5 |
| Static Resources | 25 |
| JavaScript Resources | 2 |
| CSS Resources | 7 |
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