Astron.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, astron.ac.cn has 1,682 unique users per day, viewing 3,398 pages. The rank based value of astron.ac.cn is 2,595 USD. Every user makes 2.14 pageviews on average.
Astron.ac.cn boasts a link base consisting of 223 referring domains and 238 external backlinks, as revealed by the data obtained from web network scanning.
Astron.ac.cn top-level domain belongs to .CN domain zone. Check other webpages in .CN zone.
According the last verification test in November 25, 2024, astron.ac.cn has an invalid SSL certificate. Click button “Update” SSL Information at the Safety Information section.
Based on data from our sources astron.ac.cn is probably an unsafe domain.
Based on Mobile-Friendly test by Google astron.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.
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 |
Alexa Rank shows how popular astron.ac.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If astron.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 astron.ac.cn and pageviews on astron.ac.cn over the past 3 months.
ASN ID: 7497
ASN Title: CSTNET-AS-AP Computer Network Information Center, CNLast Update: 03/07/2024
% [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)
Domain Name: astron.ac.cn
ROID: 20071019s10071s01598227-cn
Domain Status: ok
Registrant: 中国科学院上海天文台
Registrant Contact Email: thming@shao.ac.cn
Sponsoring Registrar: 阿里云计算有限公司(万网)
Name Server: dns31.hichina.com
Name Server: dns32.hichina.com
Registration Time: 2007-10-19 08:38:50
Expiration Time: 2023-10-19 08:38:49
DNSSEC: unsigned
Host | A Record | TTL |
---|---|---|
astron.ac.cn | 202.127.24.10 | 3600 |
Host | MX Record | Priority | TTL |
---|---|---|---|
astron.ac.cn | mxdomain.qq.com | 10 | 3600 |
Host | NS Record | TTL |
---|---|---|
astron.ac.cn | dns32.hichina.com | 86400 |
astron.ac.cn | dns31.hichina.com | 86400 |
Host | TXT Record | TTL |
---|---|---|
astron.ac.cn | v=spf1 include:spf.mail.qq.com ~all | 3600 |
dns31.hichina.com
TTL: 3600
Email address: hostmaster.hichina.com
Serial: 2016091409
Refresh: 3600
Retry: 1200
Expire: 3600
Minimum: 360