51voip.com 闪校_智慧校园_数字化校园

闪校的出发点是打造数字化校园移动办公平台,其目的是降低学生安全隐患,提高教师办公效率。迎合国务院提出的互联网+教育方向,全面打造新时代的智慧校园。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.86 sec.
Last Checked: 11/02/2026

51voip.com attracts 41,036 unique visitors daily, generating 246,213 pageviews. The estimated value of 51voip.com is 354,384 USD. Each visitor views approximately 6.42 pages on average.

51voip.com is hosted by HWCSNET Huawei Cloud Service data center, CN. Check out other websites hosted by HWCSNET Huawei Cloud Service data center, CN.

See the list of other websites hosted by HWCSNET Huawei Cloud Service data center, CN.

51voip.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

The last inspection on (October 22, 2026), confirms that 51voip.com holds a valid and current SSL certificate issued by Let's Encrypt expiring on November 21, 2026. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

Overview
Last Updated: 11/02/2026
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: 11/02/2026
Unknown status.
Norton ConnectSafe evaluates 51voip.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/02/2026
Not yet checked.
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: 11/02/2026
Site Advisor
Last Updated: 11/02/2026
Not yet checked.
McAfee assesses 51voip.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 51voip.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 11/02/2026
51voip.com child safety is unknown.
The WOT calculates reputation of the 51voip.com. This reputation system receives ratings from users and information from third-party sources, assesses the 51voip.com for safety features and confirms, whether 51voip.com is suitable for children.

51voip.com | SSL Certificate Information
Domain51voip.com
Issuer OrganizationLet's Encrypt
IssuerYR1
AlgorithmRSA-SHA256
Valid form08/23/2026
Expiration11/21/2026
SignedCertificate is not self signed
Additional Domains 51voip.com
Server Location

51voip.com ASN Information

ASN ID: 55990
ASN Title: HWCSNET Huawei Cloud Service data center, CN

Last Update: 10/22/2026

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

% Information related to 'AS55296 - AS56319'

as-block: AS55296 - AS56319
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: 2009-09-03T01:15:30Z
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 'AS55956 - AS56015'

as-block: AS55956 - AS56015
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: 2010-12-23T23:34:45Z
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 'AS55990'

% Abuse contact for 'AS55990' is 'ipas@cnnic.cn'

aut-num: AS55990
as-name: HWCSNET
descr: Huawei Cloud Service data center
country: CN
admin-c: NZ158-AP
tech-c: MH1129-AP
notify: ipas@cnnic.net.cn
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2012-10-09T06:34:01Z
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: Mingliang Hao
nic-hdl: MH1129-AP
e-mail: mingliang.hao@huawei.com
address: 10/F, Xinsheng Tower, 5 Financial Street,
address: Xincheng District,Beijing,100140 P.R.China
phone: +86-18618305900
fax-no: +86-10-63762415
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2012-10-09T05:34:02Z
source: APNIC

person: Nina Zhao
nic-hdl: NZ158-AP
e-mail: zhaocaina@huawei.com
address: 10/F, Xinsheng Tower, 5 Financial Street,
address: Xincheng District,Beijing,100140 P.R.China
phone: +86-18601351719
fax-no: +86-10-63762415
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2012-10-09T05:34:02Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

WHOIS

Domain Name: 51VOIP.COM
Registry Domain ID: 1573296405_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.35.com
Registrar URL: http://domain.35.com
Updated Date: 2025-10-22T09:12:39Z
Creation Date: 2009-10-23T18:26:26Z
Registry Expiry Date: 2026-10-23T18:26:26Z
Registrar: Xiamen 35.com Information Co., Ltd.
Registrar IANA ID: 4163
Registrar Abuse Contact Email: domainabuse@35.cn
Registrar Abuse Contact Phone: +86.05925234925
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.35.NET
Name Server: NS2.35.NET
Name Server: NS3.35.NET
Name Server: NS4.35.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2026-10-22T01:46:35Z


DNS Records
HostA RecordTTL
51voip.com139.9.64.271800
HostMX RecordPriorityTTL
HostNS RecordTTL
51voip.comns2.35.net3600
51voip.comns1.35.net3600
51voip.comns4.35.net3600
51voip.comns3.35.net3600
HostTXT RecordTTL

ns1.35.net
TTL: 3600
Email address: dnsconct.myhostadmin.net
Serial: 2026061107
Refresh: 3600
Retry: 300
Expire: 1209600
Minimum: 3600

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