Semi.ac.cn
Semi.ac.cn Overview
Semi.ac.cn belongs to CSTNET-AS-AP Computer Network Information Center, CN. Check the list of other websites hosted by CSTNET-AS-AP Computer Network Information Center, CN.
In terms of rank-to-traffic ratio, semi.ac.cn has 2,490 unique users per day, viewing 5,030 pages. The rank based value of semi.ac.cn is 3,629 USD. Every user makes 2.14 pageviews on average.
Semi.ac.cn boasts a link base consisting of 299 referring domains and 375 external backlinks, as revealed by the data obtained from web network scanning.
Semi.ac.cn top-level domain belongs to .CN domain zone. Check other webpages in .CN zone.
According the last verification test in November 13, 2024, semi.ac.cn has an invalid SSL certificate. Click button “Update” SSL Information at the Safety Information section.
Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust semi.ac.cn is a fairly safe domain.
Based on Mobile-Friendly test by Google semi.ac.cn 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.
Semi.ac.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 semi.ac.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 semi.ac.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 semi.ac.cn for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the semi.ac.cn. This reputation system receives ratings from users and information from third-party sources, assesses the semi.ac.cn for safety features and confirms, whether semi.ac.cn is suitable for children.
| WARNING! | Certificate download error. Previous scan results are shown below. |
| Domain | Unknown |
| Issuer Organization | Unknown |
| Issuer | Unknown |
| Algorithm | Unknown |
| Valid form | Unknown |
| Expiration | Unknown |
| Signed | No information |
| Additional Domains |
Semi.ac.cn Rank History
Alexa Rank shows how popular semi.ac.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If semi.ac.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 semi.ac.cn and pageviews on semi.ac.cn over the past 3 months.
Semi.ac.cn Hosting Information
ASN ID: 7497
ASN Title: CSTNET-AS-AP Computer Network Information Center, CNLast Update: 03/09/2024
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% 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
import: from AS4538 accept
import: from AS4789 accept
import: from AS4837 accept
import: from AS4847 accept
import: from AS9306 accept
import: from AS9389 accept
import: from AS9394 accept
import: from AS9406 accept
import: from AS9800 accept
import: from AS9808 accept
import: from AS3320 accept ANY
import: from AS3491 accept ANY
import: from AS6453 accept ANY
import: from AS10026 accept ANY
import: from AS7497:AS-CUSTOMERS accept
export: to AS4538 announce
export: to AS4789 announce
export: to AS4837 announce
export: to AS4847 announce
export: to AS9306 announce
export: to AS9389 announce
export: to AS9394 announce
export: to AS9406 announce
export: to AS9800 announce
export: to AS9808 announce
export: to AS3320 announce
export: to AS3491 announce
export: to AS6453 announce
export: to AS10026 announce
export: to AS7497:AS-CUSTOMERS announce ANY
export: to AS3320 announce
export: to AS3491 announce
export: to AS6453 announce
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)
Semi.ac.cn Domain Registration and Settings
Domain Name: semi.ac.cn
ROID: 20021209s10071s00001431-cn
Domain Status: clientDeleteProhibited
Domain Status: clientUpdateProhibited
Domain Status: clientTransferProhibited
Registrant: 中国科学院半导体研究所
Registrant Contact Email: zhangdi@semi.ac.cn
Sponsoring Registrar: 北京中科三方网络技术有限公司
Name Server: semilib.semi.ac.cn
Name Server: orange.semi.ac.cn
Registration Time: 1997-01-10 00:00:00
Expiration Time: 2031-07-10 00:00:00
DNSSEC: unsigned
| Host | A Record | TTL |
|---|---|---|
| ;; | no | connection |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| ;; | servers | no | connection |
| Host | NS Record | TTL |
|---|---|---|
| ;; | no | connection |
| Host | TXT Record | TTL |
|---|---|---|
| ;; | connection |
no
TTL: connection
Email address: servers
Serial: could
Refresh: be
Retry: reached
Expire:
Minimum:
Semi.ac.cn HTML Check
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