Caodangcongngheoto.edu.vn

Caodangcongngheoto.edu.vn Overview

Caodangcongngheoto.edu.vn belongs to BACK WAVES LIMITED. Check the list of other websites hosted by BACK WAVES LIMITED.

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Caodangcongngheoto.edu.vn Website Safety

Overview

Last Updated: 07/24/2025

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: 06/19/2025

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Google Safe Search

Last Updated: 07/24/2025

Not yet checked.

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Google Safe Browsing

Last Updated: 01/13/2019

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SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
Domain	Unknown
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	Unknown
Valid form	Unknown
Expiration	Unknown
Signed	No information
Additional Domains

Caodangcongngheoto.edu.vn Rank History

Alexa Rank shows how popular caodangcongngheoto.edu.vn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If caodangcongngheoto.edu.vn 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 caodangcongngheoto.edu.vn and pageviews on caodangcongngheoto.edu.vn over the past 3 months.

Caodangcongngheoto.edu.vn Hosting Information

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ASN Information

ASN Lookup Tool

ASN ID: 153371

ASN Title: BACK WAVES LIMITED

Last Update: 06/29/2025

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

% Information related to 'AS152890 - AS153913'

as-block: AS152890 - AS153913
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: 2023-05-11T00:08:48Z
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 'AS153371'

% Abuse contact for 'AS153371' is 'abuse@backwaves.net'

aut-num: AS153371
as-name: BACKWAVESLIMITED-AS-AP
descr: BACK WAVES LIMITED
country: HK
org: ORG-BWL1-AP
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mnt-lower: MAINT-BACKWAVESLIMITED-HK
abuse-c: AB1730-AP
last-modified: 2024-10-17T07:31:08Z
source: APNIC

irt: IRT-BACKWAVESLIMITED-HK
address: Room 1410, Block C, Delya Industrial Center, Shek Pai Tau Rd, Tuen Mun Hong Kong 0000
e-mail: abuse@backwaves.net
abuse-mailbox: abuse@backwaves.net
admin-c: BWLA1-AP
tech-c: BWLA1-AP
auth: # Filtered
mnt-by: MAINT-BACKWAVESLIMITED-HK
last-modified: 2024-10-17T07:30:15Z
source: APNIC

organisation: ORG-BWL1-AP
org-name: BACK WAVES LIMITED
org-type: LIR
country: HK
address: HONG KONG
phone: +852-00000000
e-mail: noc@backwaves.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2024-10-23T13:11:53Z
source: APNIC

role: ABUSE BACKWAVESLIMITEDHK
country: ZZ
address: Room 1410, Block C, Delya Industrial Center, Shek Pai Tau Rd, Tuen Mun Hong Kong 0000
phone: +000000000
e-mail: abuse@backwaves.net
admin-c: BWLA1-AP
tech-c: BWLA1-AP
nic-hdl: AB1730-AP
remarks: Generated from irt object IRT-BACKWAVESLIMITED-HK
abuse-mailbox: abuse@backwaves.net
mnt-by: APNIC-ABUSE
last-modified: 2024-10-17T07:31:08Z
source: APNIC

role: BACK WAVES LIMITED administrator
address: Room 1410, Block C, Delya Industrial Center, Shek Pai Tau Rd, Tuen Mun Hong Kong 0000
country: HK
phone: +852-46443265
e-mail: abuse@backwaves.net
admin-c: BWLA1-AP
tech-c: BWLA1-AP
nic-hdl: BWLA1-AP
mnt-by: MAINT-BACKWAVESLIMITED-HK
last-modified: 2024-10-17T07:30:15Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Caodangcongngheoto.edu.vn Domain Registration and Settings

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Caodangcongngheoto.edu.vn HTML Check

HTML Validation Tool

Errors

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Bad value “Expires” for attribute “http-equiv” on element “meta”.

Element “link” is missing one or more of the following attributes: “href”, “resource”.

Bad value “https://fonts.googleapis.com/css?family=Open Sans:bold,regular|Anton:bold,regular|Roboto:bold,regular&display=swap” for attribute “href” on element “link”: Illegal character in query: space is not allowed.

CSS: “background-image”: “null” is not a “background-image” value.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.

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Caodangcongngheoto.edu.vn Overview

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Caodangcongngheoto.edu.vn Rank History

Caodangcongngheoto.edu.vn Hosting Information

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