ocean.edu.vn ▶ Hệ Thống Anh Ngữ - Học Tiếng Anh với Giáo Viên Nước Ngoài

Ocean.edu.vn | Key Trends

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 01/24/2025

Ocean.edu.vn attracts 1,616 unique visitors daily, generating 3,231 pageviews. The estimated value of ocean.edu.vn is 2,311 USD. Each visitor views approximately 2.14 pages on average.

Ocean.edu.vn is hosted by VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN. Check out other websites hosted by VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN.

See the list of other websites hosted by VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN.

Ocean.edu.vn is registered with the .VN top-level domain. Explore additional websites within the .VN zone.

A recent examination on (October 10, 2024), indicates that ocean.edu.vn has an expired SSL certificate issued by Let's Encrypt (expired on November 15, 2024). 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.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust ocean.edu.vn appears to be a safe domain.

Based on Google's Mobile-Friendly test, ocean.edu.vn is not well optimized for mobile and tablet devices. Ensuring your site is mobile-friendly guarantees better performance across all devices, and improving the web page loading time could further enhance user experience.

Ocean.edu.vn | General Site Information

not found

Ocean.edu.vn | Safety and Security Details

Overview

Last Updated: 01/24/2025

Overall result - ocean.edu.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: 02/19/2024

ocean.edu.vn is safe.

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

Google Safe Search

Last Updated: 01/05/2020

ocean.edu.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

ocean.edu.vn 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: 02/17/2021

ocean.edu.vn is safe.

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

Web of Trust

Last Updated: 01/12/2019

ocean.edu.vn child safety is good.

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

Ocean.edu.vn | SSL Certificate Information

SSL Checker Tool

Domain	ocean.edu.vn
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	08/17/2024
Expiration	11/15/2024
Signed	Certificate is not self signed
Additional Domains	ocean.edu.vn www.ocean.edu.vn

Ocean.edu.vn | Server and Hosting Details

Server Location

Geolocation Tool

Ocean.edu.vn ASN Information

ASN Lookup Tool

ASN ID: 135905
ASN Title: VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN

Last Update: 12/29/2024

ASN Whois

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

% Information related to 'AS135581 - AS136505'

as-block: AS135581 - AS136505
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: 2016-05-26T03:42:37Z
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 'AS135900 - AS135999'

as-block: AS135900 - AS135999
descr: VNNIC-4byte-ASBLOCK-AP
descr: VNNIC
descr: Vietnam Network Information Center
country: VN
admin-c: TMT17-AP
tech-c: NHT16-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-VN-VNNIC
last-modified: 2016-11-15T06:42:21Z
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 'AS135905'

% Abuse contact for 'AS135905' is 'hm-changed@vnnic.vn'

aut-num: AS135905
as-name: VNPT-AS-VN
descr: VIETNAM POSTS AND TELECOMMUNICATIONS GROUP
country: VN
admin-c: VIG1-AP
tech-c: VIG1-AP
mnt-by: MAINT-VN-VNNIC
mnt-irt: IRT-VNNIC-AP
last-modified: 2017-01-04T08:40:30Z
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

role: VDC IPADMIN GROUP
address: Internet Building, Block II, Thang Long Inter Village
address: Nguyen Phong Sac str, Cau Giay Dist, Ha Noi
country: VN
phone: +84-912-800008
fax-no: +84-4-9430427
e-mail: hathm@vdc.com.vn
remarks: send spam reports to abuse@vdc.com.vn
remarks: and abuse reports to abuse@vnn.vn
admin-c: THMH1-AP
tech-c: THMH1-AP
nic-hdl: VIG1-AP
notify: hm-changed@vnnic.net.vn
mnt-by: MAINT-VN-VNPT
last-modified: 2011-12-06T00:11:16Z
source: APNIC

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

Ocean.edu.vn | Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

ocean.edu.vn domain is not supported

DNS Records

DNS Lookup Tool

Host	A Record	TTL
ocean.edu.vn	123.31.31.63	600

Host	MX Record	Priority	TTL
ocean.edu.vn	aspmx5.googlemail.com	30	3600
ocean.edu.vn	aspmx.l.google.com	10	3600
ocean.edu.vn	alt1.aspmx.l.google.com	20	3600
ocean.edu.vn	alt2.aspmx.l.google.com	20	3600
ocean.edu.vn	aspmx2.googlemail.com	30	3600
ocean.edu.vn	aspmx3.googlemail.com	30	3600
ocean.edu.vn	aspmx4.googlemail.com	30	3600

Host	NS Record	TTL
ocean.edu.vn	ns3.zonedns.vn	3600
ocean.edu.vn	ns1.zonedns.vn	3600
ocean.edu.vn	ns2.zonedns.vn	3600

Host	TXT Record	TTL
ocean.edu.vn	v=spf1 include:_spf.google.com ~all	3600
ocean.edu.vn	google-site-verificationg=jcjc71lwww-veni_uiv-oplpwwi-zo04hzy9h5gmt2q	3600

ns1.zonedns.vn
TTL: 3600
Email address: root.ocean.edu.vn
Serial: 2019053105
Refresh: 1200
Retry: 600
Expire: 1209600
Minimum: 3600

Ocean.edu.vn | HTML Validation Report

HTML Validation Tool

Errors

Bad value “text/html charset=UTF-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.

Bad start tag in “img” in “head”.

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

Stray end tag “noscript”.

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

Bad value “tel:0243.569.0000 - 0243.573.0000” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel: 0246.262.0880 - 0246.262.0882” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0243.205.1111 - 0243.206.1111” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0243.201.7777 - 0243.202.7777” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0243.205.0000 - 0243.206.0000” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:024.3394.3333 - 024.3564.3333” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0242.239.6565 - 0242.239.3535” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0246.673.6611 - 0242.023.8800” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0242.123.4111 - 0243.540.6509” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0243.201.0000 - 0243.202.0000” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0238.868.7575 - 0238.868.7676” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel: 0203.3511.000 - 0203.3633.000” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0228.352.6345 - 0228.352.6346” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel: 0237.3888.880 - 0237.3888.881” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0262.383.6464 - 0262.383.6565” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0256.650.8888 - 0256.650.5555” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0208.375.7464 - 0208.375.7565” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0210.381.6463 - 0210.381.6464” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0211.372.8088 - 0211.372.8089” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel: 0227.365.8484 - 0227.365.8585” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0204.399.2323 - 0204.399.2424” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel: 0222.654.9595 - 0222.654.9696 - 0222 654 8200” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel: 0203.371.2288 - 0203.371.1166” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel: 0239.368.6660 - 0239.368.6661 - 0239.368.6662” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0218.3909.666 - 0218.3909.888” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0221.351.6565 - 0221.351.5656 ” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0214.3878.988 - 0214.3878.989” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:02603.858.555 – 02603.858.666” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0205.372.1111 - 0205.373.2222” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:02293.888.892 - 02293.888.893” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0211.388.1717 - 0211.388.1919” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0221.390.0228 - 0221.390.0338” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0226.385.2323 - 0226.385.2424” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0255.352.7979 - 0255.651.9999” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0222.390.3330 - 0222.390.3377” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0257.386.7979 - 0257.654.8888” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0222.374.5757 - 0222.374.5758” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0216.3816.565 - 0216.3816.969” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0220.389.8055 - 0220.389.8056” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Bad value “tel:0220.355.2222 - 0220.355.2223” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

Warnings

Text run is not in Unicode Normalization Form C.

Ocean.edu.vn | Desktop Performance Insights

Last tested: 01/05/2018

Desktop

Desktop Speed

62%

Optimize images

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Prioritize visible content

Enable compression

Minify HTML

Minify JavaScript

Desktop Resource Breakdown

Total Resources	129
Number of Hosts	24
Static Resources	81
JavaScript Resources	40
CSS Resources	4

Ocean.edu.vn | Mobile Performance Insights

Last tested: 06/29/2016

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

40%

Enable compression

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Prioritize visible content

Minify HTML

Optimize images

Mobile Resource Breakdown

Total Resources	116
Number of Hosts	18
Static Resources	54
JavaScript Resources	17
CSS Resources	2

Ocean.edu.vn | Common Typographical Errors

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Ocean.edu.vn | Key Trends

Ocean.edu.vn | General Site Information

Ocean.edu.vn | Safety and Security Details

Ocean.edu.vn | Server and Hosting Details

Ocean.edu.vn | Domain Name Information

Ocean.edu.vn | HTML Validation Report

Ocean.edu.vn | Desktop Performance Insights

Ocean.edu.vn | Mobile Performance Insights

Ocean.edu.vn | Competitors Analysis

Ocean.edu.vn | Common Typographical Errors