Voca.vn VOCA.VN - HỆ THỐNG HỌC TIẾNG ANH THÔNG MINH

VOCA là hệ thống dạy và học tiếng Anh trực tuyến thông minh được xây dựng với sứ mệnh giúp học sinh, sinh viên xóa bỏ rào cản về Anh ngữ. VOCA được xâ...

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.63 sec.
Last Checked: 02/27/2023

Over the time voca.vn has been ranked as high as 26,880 in the world, while most of its traffic comes from Viet Nam, where it reached as high as 953 position.

Voca.vn receives about 1,756 unique visitors and 5,268 pageviews per day. The estimated value of voca.vn is 94,900 USD. Each unique visitor makes about 3 pageviews on average.

Voca.vn is registered under .VN top-level domain. Check other websites in .VN zone.

At the time of the last check (November 26, 2019) voca.vn has an expired SSL certificate issued by Sectigo Limited (expired on June 01, 2020). Check other websites using SSL certificates issued by Sectigo Limited.

According to Google Safe Browsing, Google Safe Search and Symantec voca.vn is quite a safe domain.

Mobile-Friendly test indicates that voca.vn is well optimized for mobile and tablet devices, however website page loading time could be improved.


Global Rank
127,141
Average Load Time
0.87sec
Links In Count
47
Website Value
$94,900

Overview
Last Updated: 04/20/2024
Overall result - "voca.vn" 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: 03/27/2024
voca.vn is safe.

Norton ConnectSafe evaluates voca.vn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 03/25/2019
voca.vn 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
Malware not found at "voca.vn".
"voca.vn" is not a phishing page.
"voca.vn" does not install unwanted software.
"voca.vn" does not contain harmfull applications.
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: 02/26/2021
voca.vn is safe.

McAfee assesses voca.vn 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 voca.vn for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 04/20/2024
voca.vn child safety isunknown.

The WOT calculates reputation of the voca.vn. This reputation system receives ratings from users and information from third-party sources, assesses the voca.vn for safety features and confirms, whether voca.vn is suitable for children.

SSL Information
Domain www.voca.vn
Issuer OrganizationSectigo Limited
Issuer Sectigo RSA Domain Validation Secure Server CA
Algorithm RSA-SHA256
Valid form 05/29/2019
Expiration 06/01/2020
SignedCertificate is not self signed
Additional Domains www.voca.vn
music.voca.vn
natural.voca.vn
www.grammar.vn
Server Location
Ho Chi Minh City
Ho Chi Minh
Viet Nam
ASN Information

ASN ID: 38244
ASN Title: VNNIC-AS-VN Trung tam VNNIC, VN

Last Update: 01/08/2024

% [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
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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 'AS38244 - AS38253'

as-block: AS38244 - AS38253
descr: VNNIC-ASBLOCK-VN
descr: VNNIC
descr: Vietnam Network Information Center
country: VN
admin-c: TMT17-AP
tech-c: NHT16-AP
remarks: Block of 10 AS numbers from AS38244 to AS38253
remarks: for assignment to VNNIC members
mnt-by: APNIC-HM
mnt-lower: MAINT-VN-VNNIC
last-modified: 2015-08-05T00:58:12Z
source: APNIC

person: Nguyen Hong Thang
nic-hdl: NHT16-AP
e-mail: tech@vnnic.vn
address: Vietnam Internet Network Information Center
address: 18 Nguyen Du, Hai Ba Trung, Hanoi
phone: +84-4-35564944
fax-no: +84-4-37821462
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2015-08-04T01:56:01Z
source: APNIC

person: Tran Minh Tan
nic-hdl: TMT17-AP
e-mail: info@vnnic.vn
address: Vietnam Internet Network Information Center
address: 18 Nguyen Du, Hai Ba Trung, Hanoi
phone: +84-4-35564944
fax-no: +84-4-37821462
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2015-08-04T01:56:01Z
source: APNIC

% Information related to 'AS38244'

% Abuse contact for 'AS38244' is 'hm-changed@vnnic.vn'

aut-num: AS38244
as-name: VNNIC-AS-VN
descr: Trung tam VNNIC
descr: VNNIC
descr: 18 NGuyen Du, Hai Ba Trung, Ha Noi
country: VN
import: from AS7643 action pref=5; accept ANY
import: from AS18403 action pref=10; accept ANY
import: from AS7552 action pref=100; accept ANY
import: from AS24086 action pref=100; accept ANY
export: to AS7643 announce AS38244
export: to AS18403 announce AS38244
export: to AS7552 announce AS38244
export: to AS24086 announce AS38244
remarks: ASN for VINAGAME (VNNIC member)
admin-c: NTD16-AP
tech-c: NTD16-AP
notify: hm-changed@vnnic.net.vn
mnt-by: MAINT-VN-VNNIC
mnt-routes: MAINT-VN-VINAGAME
mnt-irt: IRT-VNNIC-AP
last-modified: 2018-01-05T03:53:47Z
source: APNIC

irt: IRT-VNNIC-AP
address: Ha Noi, VietNam
phone: +84-24-35564944
fax-no: +84-24-37821462
e-mail: hm-changed@vnnic.vn
abuse-mailbox: hm-changed@vnnic.vn
admin-c: NTTT1-AP
tech-c: NTTT1-AP
auth: # Filtered
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-08T09:40:06Z
source: APNIC

person: Nguyen Thanh Danh
address: VINAGAME-VN
country: VN
phone: +84-28-39623888
e-mail: danhnt@vng.com.vn
nic-hdl: NTD16-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-12T09:08:18Z
source: APNIC

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

WHOIS

voca.vn domain is not supported

DNS Records
HostA RecordTTL
voca.vn103.245.248.2273600
HostMX RecordPriorityTTL
voca.vnALT1.ASPMX.L.GOOGLE.COM53600
voca.vnASPMX.L.GOOGLE.COM13600
voca.vnALT4.ASPMX.L.GOOGLE.COM103600
voca.vnALT3.ASPMX.L.GOOGLE.COM103600
voca.vnALT2.ASPMX.L.GOOGLE.COM53600
HostNS RecordTTL
voca.vnns6.tenten.vn3600
voca.vnns4.tenten.vn3600
voca.vnns5.tenten.vn3600
HostTXT RecordTTL
voca.vnv=spf1 mx ~all3600
voca.vnv=spf1 include:spf.mtasv.net include:mailgun.org include:_spf.google.com include:amazonses.com ~all3600

ns1.tenten.vn
TTL: 3600
Email address: hostmaster.voca.vn
Serial: 2023030409
Refresh: 3600
Retry: 900
Expire: 604800
Minimum: 3600

Errors
Warnings

Last tested: 05/28/2017

Desktop
Desktop Speed
63%
Desktop Resource Breakdown
Total Resources102
Number of Hosts19
Static Resources65
JavaScript Resources29
CSS Resources9

Last tested: 02/08/2018

Mobile
Mobile Usability
100%
Mobile Speed
57%
Mobile Resource Breakdown
Total Resources52
Number of Hosts2
Static Resources41
JavaScript Resources7
CSS Resources6
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