Qdc.cn 青岛城市学院官方网站
青岛城市学院原名青岛理工大学琴岛学院,2021年2月获教育部批准转设为青岛城市学院.学院坚持以培养高素质应用型人才为引领,加大基础投入,优化学科结构,强化综合培养,突出专业特色,培育校园文化,提升办学质量,努力建设一所学生成才,家长信赖,政府放心,人民满意的高水平大学.
Server IP address resolved: No
Http response code: None
Last Checked: 02/03/2025
Qdc.cn attracts 139 unique visitors daily, generating 417 pageviews. The estimated value of qdc.cn is 3,124 USD. Each visitor views approximately 3.21 pages on average.
According to Majestic's traffic estimates, qdc.cn ranks 23,609 globally.
Qdc.cn server is located in China, so we cannot determine if the distance might affect the page load time.
See the list of other websites hosted by China Unicom.
Qdc.cn is registered with the .CN top-level domain. Explore additional websites within the .CN zone.
A recent examination on (April 26, 2021), indicates that qdc.cn has an expired wildcard SSL certificate issued by DigiCert Inc (expired on July 26, 2021). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by DigiCert Inc.
According to Google Safe Browsing, Google Safe Search and Symantec qdc.cn appears to be a safe domain.
Based on Google's Mobile-Friendly test, qdc.cn is optimized for mobile and tablet devices, although the web page loading speed could be improved.
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 qdc.cn for any unsafe and insecure content. The results are critical for families with young children.
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Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
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McAfee assesses qdc.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 qdc.cn for mature or inappropriate content, only security checks are evaluated.
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| Domain | *.qdc.edu.cn |
| Issuer Organization | DigiCert Inc |
| Issuer | DigiCert Basic RSA CN CA G2 |
| Algorithm | RSA-SHA256 |
| Valid form | 07/21/2020 |
| Expiration | 07/26/2021 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.qdc.edu.cn qdc.edu.cn |
ASN ID: 140979
ASN Title: China Unicom
Last Update: 10/04/2023
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% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-US4)
Domain Name: qdc.cn
ROID: 20050427s10001s09844401-cn
Domain Status: ok
Registrant: 青岛城市学院
Registrant Contact Email: 130108808@qq.com
Sponsoring Registrar: 北京新网数码信息技术有限公司
Name Server: gabriel.dnspod.net
Name Server: park.dnspod.net
Registration Time: 2005-04-27 18:30:05
Expiration Time: 2028-04-27 18:30:05
DNSSEC: unsigned
| Host | A Record | TTL |
|---|---|---|
| qdc.cn | 42.247.3.48 | 600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| qdc.cn | mxbiz1.qq.com | 5 | 600 |
| qdc.cn | mxbiz2.qq.com | 5 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| qdc.cn | ns2.dnsv2.com | 86400 |
| qdc.cn | ns1.dnsv2.com | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| qdc.cn | v=spf1 include:spf.mail.qq.com ~all | 600 |
ns1.dnsv2.com
TTL: 600
Email address: level3dnsadmin.dnspod.com
Serial: 1565885220
Refresh: 3600
Retry: 180
Expire: 1209600
Minimum: 180
Last tested: 06/12/2017
| Total Resources | 71 |
| Number of Hosts | 3 |
| Static Resources | 16 |
| JavaScript Resources | 5 |
| CSS Resources | 3 |
Last tested: 04/23/2017
| Total Resources | 26 |
| Number of Hosts | 3 |
| Static Resources | 21 |
| JavaScript Resources | 5 |
| CSS Resources | 3 |
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