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Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.25 sec.
Last Checked: 04/20/2024

51.com traffic volume is 15,869 unique daily visitors and their 26,978 pageviews. The web value rate of 51.com is 468,660 USD. Each visitor makes around 1.82 page views on average.

By Alexa's traffic estimates 51.com placed at 1,791 position over the world, while the largest amount of its visitors comes from China, where it takes 4,416 place.

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

The last verification results, performed on (November 23, 2019) 51.com show that 51.com has an expired wildcard SSL certificate issued by WoSign CA Limited (expired on April 24, 2020). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by WoSign CA Limited.

In accordance with Web of Trust 51.com is a suspicious domain.

Relying Google MobileFriendly test 51.com is well optimized for mobile and tablet devices, however web page loading speed may be improved.


Global Rank
27,246
Average Load Time
2.86sec
Links In Count
1,870
Website Value
$438,000

Overview
Last Updated: 04/20/2024
Overall result - 51.com is safe.
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: 03/21/2024
51.com is safe.
Norton ConnectSafe evaluates 51.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/12/2016
51.com is safe.
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: 01/09/2019
51.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: 02/22/2021
51.com is safe.
McAfee assesses 51.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 51.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
51.com child safety is uncertain.
The WOT calculates reputation of the 51.com. This reputation system receives ratings from users and information from third-party sources, assesses the 51.com for safety features and confirms, whether 51.com is suitable for children.

SSL Information
Domain*.51.com
Issuer OrganizationWoSign CA Limited
IssuerWoSign OV SSL CA
AlgorithmRSA-SHA256
Valid form04/26/2017
Expiration04/24/2020
SignedCertificate is not self signed
Additional Domains *.51.com
51.com
Server Location

ASN Information

ASN ID: 4837
ASN Title: CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN

Last Update: 10/02/2023

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

% Information related to 'AS4608 - AS4864'

as-block: AS4608 - AS4864
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 'AS4837'

% Abuse contact for 'AS4837' is 'hqs-ipabuse@chinaunicom.cn'

aut-num: AS4837
as-name: CHINA169-Backbone
descr: CHINA UNICOM China169 Backbone
country: CN
member-of: AS4837:AS-CNCGROUP
import: from AS701
action pref=100;
accept ANY
import: from AS1239
action pref=100;
accept ANY
import: from AS4808
action pref=100;
accept AS4808
import: from AS4814
action pref=100;
accept AS4814
import: from AS17816
action pref=100;
accept AS17816
export: to AS701
announce AS4837
export: to AS1239
announce AS4837
export: to AS4808
announce AS4837
export: to AS4814
announce AS4837
export: to AS17816
announce AS4837
admin-c: CH444-AP
tech-c: CH444-AP
mnt-routes: MAINT-CNCGROUP-RR
mnt-by: MAINT-CNCGROUP-RR
mnt-irt: IRT-CU-CN
last-modified: 2017-08-28T02:14:10Z
source: APNIC

irt: IRT-CU-CN
address: No.21,Financial Street
address: Beijing,100033
address: P.R.China
e-mail: hqs-ipabuse@chinaunicom.cn
abuse-mailbox: hqs-ipabuse@chinaunicom.cn
admin-c: CH1302-AP
tech-c: CH1302-AP
auth: # Filtered
mnt-by: MAINT-CNCGROUP
last-modified: 2017-10-23T05:59:13Z
source: APNIC

person: CNCGroup Hostmaster
nic-hdl: CH444-AP
e-mail: hqs-ipabuse@chinaunicom.cn
address: No.21,Financial Street
address: Beijing,100033,P.R.China
phone: +86-10-66259764
fax-no: +86-10-66259764
country: CN
mnt-by: MAINT-CN-CUCGROUP
last-modified: 2017-09-05T06:36:14Z
source: APNIC

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

WHOIS

Domain Name: 51.COM
Registry Domain ID: 3813675_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.paycenter.com.cn
Registrar URL: http://www.xinnet.com
Updated Date: 2020-11-30T03:21:52Z
Creation Date: 1998-07-10T04:00:00Z
Registry Expiry Date: 2022-07-09T04:00:00Z
Registrar: Xin Net Technology Corporation
Registrar IANA ID: 120
Registrar Abuse Contact Email: supervision@xinnet.com
Registrar Abuse Contact Phone: +86.1087127926
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS3.DNSV4.COM
Name Server: NS4.DNSV4.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-25T07:37:07Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings

Last tested: 05/01/2017

Desktop
Desktop Speed
29%

Desktop Resource Breakdown
Total Resources146
Number of Hosts18
Static Resources129
JavaScript Resources5
CSS Resources4

Last tested: 04/27/2017

Mobile
Mobile Usability
64%
Mobile Speed
31%

Mobile Resource Breakdown
Total Resources142
Number of Hosts18
Static Resources125
JavaScript Resources5
CSS Resources4
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