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: Yes
Http response code: 200
Response time: 16.38 sec.
Last Checked: 02/03/2023
Over the time qdc.cn has been ranked as high as 23,609 in the world.
Qdc.cn receives about 130 unique visitors and 390 pageviews per day. The estimated value of qdc.cn is 2,920 USD. Each unique visitor makes about 3 pageviews on average.
Qdc.cn is registered under .CN top-level domain. Check other websites in .CN zone.
At the time of the last check (April 26, 2021) qdc.cn has an expired wildcard SSL certificate issued by DigiCert Inc (expired on July 26, 2021). Check other websites using SSL certificates issued by DigiCert Inc.
According to Google Safe Browsing, Google Safe Search and Symantec qdc.cn is quite a safe domain.
Mobile-Friendly test indicates that qdc.cn is well optimized for mobile and tablet devices, however website page loading time could be improved.
Alexa Rank shows how popular qdc.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If qdc.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 qdc.cn and pageviews on qdc.cn over the past 3 months.
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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| 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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Domain Name: qdc.cn
ROID: 20050427s10001s09844401-cn
Domain Status: ok
Registrant: 青岛理工大学琴岛学院
Registrant Contact Email: 130108808@qq.com
Sponsoring Registrar: 北京新网数码信息技术有限公司
Name Server: ns1.dnsv2.com
Name Server: ns2.dnsv2.com
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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