Leetcode-cn.com 力扣 (LeetCode) 官网 - 全球极客挚爱的技术成长平台

备战技术面试?力扣提供海量技术面试资源,帮助你高效提升编程技能,轻松拿下世界 IT 名企 Dream Offer。


Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 01/21/2022

Leetcode-cn.com traffic volume is 29,403 unique daily visitors and their 170,535 pageviews. The web value rate of leetcode-cn.com is 2,235,508 USD. Each visitor makes around 6.21 page views on average.

By Alexa's traffic estimates leetcode-cn.com placed at 2,259 position over the world, while the largest amount of its visitors comes from China, where it takes 401 place.

Leetcode-cn.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (November 27, 2019) leetcode-cn.com show that leetcode-cn.com has an expired SSL certificate issued by Sectigo Limited (expired on March 19, 2021). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing and Symantec leetcode-cn.com is pretty a safe domain.

Relying Google MobileFriendly test leetcode-cn.com is well optimized for mobile and tablet devices, however web page loading speed may be improved.


Global Rank
4,124
Average Load Time
1.16sec
Links In Count
3,060
Website Value
$2.1 M

Overview
Last Updated: 01/21/2022
Unknown status.
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 Connect Safe
Last Updated: 03/01/2021
leetcode-cn.com is safe.
Norton ConnectSafe evaluates leetcode-cn.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 01/21/2022
Unknown status.
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.
Google Safe Browsing
Last Updated: 01/11/2019
leetcode-cn.com is safe.
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.
Site Advisor
Last Updated: 05/05/2021
leetcode-cn.com is safe.
McAfee assesses leetcode-cn.com 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 leetcode-cn.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/21/2022
leetcode-cn.com child safety is unknown.
The WOT calculates reputation of the leetcode-cn.com. This reputation system receives ratings from users and information from third-party sources, assesses the leetcode-cn.com for safety features and confirms, whether leetcode-cn.com is suitable for children.

SSL Information
Domainleetcode-cn.com
Issuer OrganizationSectigo Limited
IssuerSectigo RSA Extended Validation Secure Server CA
AlgorithmRSA-SHA256
Valid form03/20/2019
Expiration03/19/2021
SignedCertificate is not self signed
Additional Domains leetcode-cn.com
www.leetcode-cn.com
Server Location

ASN Information

ASN ID: 37963
ASN Title: CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN

Last Update: 08/22/2021

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS37888 - AS38911'

as-block: AS37888 - AS38911
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: 2009-09-29T06:04:16Z
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 'AS37936 - AS37970'

as-block: AS37936 - AS37970
descr: CNNIC ASN block
country: CN
remarks: These AS numbers are further assigned by CNNIC
remarks: to CNNIC members and end-users in China
admin-c: IPAS1-AP
tech-c: IPAS1-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-CNNIC-AP
last-modified: 2008-09-04T06:40:26Z
source: APNIC

role: CNNIC IPAS CONFEDERATION
address: No.4, Zhongguancun No.4 South Street,
address: Haidian District, Beijing
country: CN
phone: +86-010-58813000
fax-no: +86-010-58813075
e-mail: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
nic-hdl: IPAS1-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-09-12T07:40:01Z
source: APNIC

% Information related to 'AS37963'

% Abuse contact for 'AS37963' is 'ipas@cnnic.cn'

aut-num: AS37963
as-name: CNNIC-ALIBABA-CN-NET-AP
descr: Hangzhou Alibaba Advertising Co.,Ltd.
descr: East Software Park, 99 Huaxing Rd.
descr: Hangzhou, China
country: CN
admin-c: ZM678-AP
tech-c: ZM877-AP
tech-c: ZM876-AP
tech-c: ZM875-AP
import: from AS4837
action pref=100;
accept ANY
import: from AS4134
action pref=100;
accept ANY
export: to AS4837
announce AS37963
export: to AS4134
announce AS37963
mnt-routes: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2013-07-24T02:44:02Z
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: Shuo Yu
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022600
fax-no: +86-0571-85022600
e-mail: shuo.yus@alibaba-inc.com
e-mail: shuo.yus@aliyun-inc.com
nic-hdl: ZM678-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2011-11-02T03:36:02Z
source: APNIC

person: Guoxin Gao
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022600
fax-no: +86-0571-85022600
e-mail: anti-spam@list.alibaba-inc.com
nic-hdl: ZM875-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2014-07-30T01:56:01Z
source: APNIC

person: security trouble
e-mail: cloud-cc-sqcloud@list.alibaba-inc.com
address: 5th,floor,Building D,the West Lake International Plaza of S&T,391#Wen’er Road
address: Hangzhou, Zhejiang, China
phone: +86-0571-85022600
country: CN
mnt-by: MAINT-CNNIC-AP
nic-hdl: ZM876-AP
last-modified: 2013-07-08T02:56:02Z
source: APNIC

person: Guowei Pan
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022088-30763
fax-no: +86-0571-85022600
e-mail: guowei.pangw@alibaba-inc.com
nic-hdl: ZM877-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-07-09T01:34:02Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

WHOIS

Domain Name: LEETCODE-CN.COM
Registry Domain ID: 2185860179_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2020-11-01T02:11:50Z
Creation Date: 2017-11-11T05:34:14Z
Registry Expiry Date: 2022-11-11T05:34:14Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS10.HICHINA.COM
Name Server: DNS9.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-03-02T06:42:21Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
Warnings

Errors

Last tested: 06/23/2018

Desktop
Desktop Speed
64%

Desktop Resource Breakdown
Total Resources52
Number of Hosts5
Static Resources42
JavaScript Resources25
CSS Resources8

Last tested: 06/23/2018

Mobile
Mobile Usability
97%
Mobile Speed
49%

Mobile Resource Breakdown
Total Resources51
Number of Hosts5
Static Resources41
JavaScript Resources25
CSS Resources8
www.leetcode-cn.com
www.leetcode-cn.net
www.leetcode-cn.org
www.leetcode-cn.info
www.leetcode-cn.biz
www.leetcode-cn.us
www.leetcode-cn.mobi
www.eetcode-cn.com
www.leetcode-cn.com
www.peetcode-cn.com
www.lpeetcode-cn.com
www.pleetcode-cn.com
www.oeetcode-cn.com
www.loeetcode-cn.com
www.oleetcode-cn.com
www.keetcode-cn.com
www.lkeetcode-cn.com
www.kleetcode-cn.com
www.letcode-cn.com
www.lwetcode-cn.com
www.lewetcode-cn.com
www.lweetcode-cn.com
www.lsetcode-cn.com
www.lesetcode-cn.com
www.lseetcode-cn.com
www.ldetcode-cn.com
www.ledetcode-cn.com
www.ldeetcode-cn.com
www.lretcode-cn.com
www.leretcode-cn.com
www.lreetcode-cn.com
www.lewtcode-cn.com
www.leewtcode-cn.com
www.lestcode-cn.com
www.leestcode-cn.com
www.ledtcode-cn.com
www.leedtcode-cn.com
www.lertcode-cn.com
www.leertcode-cn.com
www.leecode-cn.com
www.leercode-cn.com
www.leetrcode-cn.com
www.leefcode-cn.com
www.leetfcode-cn.com
www.leeftcode-cn.com
www.leegcode-cn.com
www.leetgcode-cn.com
www.leegtcode-cn.com
www.leeycode-cn.com
www.leetycode-cn.com
www.leeytcode-cn.com
www.leetode-cn.com
www.leetxode-cn.com
www.leetcxode-cn.com
www.leetxcode-cn.com
www.leetdode-cn.com
www.leetcdode-cn.com
www.leetdcode-cn.com
www.leetfode-cn.com
www.leetcfode-cn.com
www.leetvode-cn.com
www.leetcvode-cn.com
www.leetvcode-cn.com
www.leetcde-cn.com
www.leetcide-cn.com
www.leetcoide-cn.com
www.leetciode-cn.com
www.leetckde-cn.com
www.leetcokde-cn.com
www.leetckode-cn.com
www.leetclde-cn.com
www.leetcolde-cn.com
www.leetclode-cn.com
www.leetcpde-cn.com
www.leetcopde-cn.com
www.leetcpode-cn.com
www.leetcoe-cn.com
www.leetcoxe-cn.com
www.leetcodxe-cn.com
www.leetcoxde-cn.com
www.leetcose-cn.com
www.leetcodse-cn.com
www.leetcosde-cn.com
www.leetcoee-cn.com
www.leetcodee-cn.com
www.leetcoede-cn.com
www.leetcore-cn.com
www.leetcodre-cn.com
www.leetcorde-cn.com
www.leetcofe-cn.com
www.leetcodfe-cn.com
www.leetcofde-cn.com
www.leetcoce-cn.com
www.leetcodce-cn.com
www.leetcocde-cn.com
www.leetcod-cn.com
www.leetcodw-cn.com
www.leetcodew-cn.com
www.leetcodwe-cn.com
www.leetcods-cn.com
www.leetcodes-cn.com
www.leetcodd-cn.com
www.leetcoded-cn.com
www.leetcodde-cn.com
www.leetcodr-cn.com
www.leetcoder-cn.com
www.leetcodecn.com
www.leetcode-n.com
www.leetcode-xn.com
www.leetcode-cxn.com
www.leetcode-xcn.com
www.leetcode-dn.com
www.leetcode-cdn.com
www.leetcode-dcn.com
www.leetcode-fn.com
www.leetcode-cfn.com
www.leetcode-fcn.com
www.leetcode-vn.com
www.leetcode-cvn.com
www.leetcode-vcn.com
www.leetcode-c.com
www.leetcode-cb.com
www.leetcode-cnb.com
www.leetcode-cbn.com
www.leetcode-ch.com
www.leetcode-cnh.com
www.leetcode-chn.com
www.leetcode-cj.com
www.leetcode-cnj.com
www.leetcode-cjn.com
www.leetcode-cm.com
www.leetcode-cnm.com
www.leetcode-cmn.com
www.leetcode-cn.con