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Sdp.edu.cn Overview
Sdp.edu.cn ranking shows that the page is at position 12,579 over the world.
Sdp.edu.cn hosting company servers are placed in the China, but, unfortunately, it’s not possible to identify the countries where the bulk of sdp.edu.cn users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on ERX-CERNET-BKB China Education and Research Network Center, CN servers.
In terms of rank-to-traffic ratio, sdp.edu.cn has 2,668 unique users per day, viewing 5,335 pages. The rank based value of sdp.edu.cn is 3,892 USD. Every user makes 2.16 pageviews on average.
Sdp.edu.cn boasts a link base consisting of 346 referring domains and 363 external backlinks, as revealed by the data obtained from web network scanning.
Sdp.edu.cn top-level domain belongs to .CN domain zone. Check other webpages in .CN zone.
According the last verification test in August 24, 2024, sdp.edu.cn has an expired wildcard SSL certificate issued by DigiCert Inc (expired on June 06, 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 sdp.edu.cn is a fairly safe domain.
Sdp.edu.cn Rank Summary
Sdp.edu.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 sdp.edu.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 sdp.edu.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 sdp.edu.cn for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the sdp.edu.cn. This reputation system receives ratings from users and information from third-party sources, assesses the sdp.edu.cn for safety features and confirms, whether sdp.edu.cn is suitable for children.
| Domain | *.sdp.edu.cn |
| Issuer Organization | DigiCert Inc |
| Issuer | DigiCert Basic RSA CN CA G2 |
| Algorithm | RSA-SHA256 |
| Valid form | 05/16/2024 |
| Expiration | 06/06/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.sdp.edu.cn sdp.edu.cn |
Sdp.edu.cn Rank History
Alexa Rank shows how popular sdp.edu.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If sdp.edu.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 sdp.edu.cn and pageviews on sdp.edu.cn over the past 3 months.
Sdp.edu.cn Hosting Information
ASN ID: 4538
ASN Title: ERX-CERNET-BKB China Education and Research Network Center, CNLast Update: 05/07/2026
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4538'
% Abuse contact for 'AS4538' is 'abuse@net.edu.cn'
aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
admin-c: JW410-AP
tech-c: JW410-AP
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
mnt-by: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
last-modified: 2016-10-17T00:30:08Z
source: APNIC
irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: abuse@net.edu.cn
abuse-mailbox: abuse@net.edu.cn
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
mnt-by: MAINT-CERNET-AP
last-modified: 2010-11-26T03:14:01Z
source: APNIC
person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: jianping@CERNET.EDU.CN
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)
Sdp.edu.cn Domain Registration and Settings
Out of this registry.
| Host | A Record | TTL |
|---|---|---|
| sdp.edu.cn | 58.59.0.38 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| sdp.edu.cn | mail.sdp.edu.cn | 5 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| sdp.edu.cn | dns1.sdp.edu.cn | 3600 |
| sdp.edu.cn | dns2.sdp.edu.cn | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| sdp.edu.cn | v=spf1 a:hwp1.icoremail.net ip4:221.214.73.122 ~all | 3600 |
dns1.sdp.edu.cn
TTL: 3600
Email address: hostmaster.sdp.edu.cn
Serial: 155
Refresh: 900
Retry: 600
Expire: 86400
Minimum: 3600
Sdp.edu.cn HTML Check
Sdp.edu.cn Desktop Performance
Last tested: 12/27/2019
| Total Resources | 61 |
| Number of Hosts | 1 |
| Static Resources | 59 |
| JavaScript Resources | 10 |
| CSS Resources | 4 |
Sdp.edu.cn Mobile Insights
Last tested: 02/06/2019
| Total Resources | 43 |
| Number of Hosts | 3 |
| Static Resources | 41 |
| JavaScript Resources | 9 |
| CSS Resources | 3 |
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