ybm.co.kr

Quick Summary

Online Status

UNKNOWN

Over the time ybm.co.kr has been ranked as high as 24,574 in the world.

Ybm.co.kr receives about 1,554 unique visitors and 2,486 pageviews per day. The estimated value of ybm.co.kr is 45,990 USD. Each unique visitor makes about 1.6 pageviews on average.

Ybm.co.kr is registered under .KR top-level domain. Check other websites in .KR zone.

At the time of the last check (October 02, 2019) ybm.co.kr has an expired wildcard SSL certificate (expired on June 25, 2020).

According to Google Safe Browsing, Google Safe Search and Symantec ybm.co.kr is quite a safe domain.

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

Ybm.co.kr General Information

Global Rank

275,216

Average Load Time

1.41sec

Links In Count

Website Value

$45,990

How popular is ybm.co.kr?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	247050	-373183	22	200%
30	423238	164675	1	-41.91%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	391836	-415283	1	200%	1.6	-10.33%
30	737134	334913	4	-56.008%	1	-24.7%

Period	Global Rank	Global Rank Delta
past 3 months	275216	-374025
past month	500289	214609

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

Ybm.co.kr Safety Information

Overview

Last Updated: 05/13/2024

Overall result - "ybm.co.kr" 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: 02/10/2024

ybm.co.kr is safe.

Norton ConnectSafe evaluates ybm.co.kr for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 03/06/2017

ybm.co.kr 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 "ybm.co.kr".
"ybm.co.kr" is not a phishing page.
"ybm.co.kr" does not install unwanted software.
"ybm.co.kr" 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: 02/14/2021

ybm.co.kr is safe.

McAfee assesses ybm.co.kr 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 ybm.co.kr for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 05/13/2024

ybm.co.kr child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	*.ybmnet.co.kr
Issuer	GlobalSign Organization Validation CA - SHA256 - G2
Algorithm	RSA-SHA256
Valid form	05/03/2019
Expiration	06/25/2020
Signed	Certificate is not self signed
Additional Domains	.ybmnet.co.kr admin.toeic.co.kr admin.ybmedu.com admin2.ybmedu.com aps.ybmreaders.com asp.ybmit.com b2b.toeic.co.kr b2b.ybmedu.com coding.ybmit.com company.ybm.co.kr cs.ybmb2b.com cs.ybmpine.com devadmin.ybmuniv.com edu.ybmteachers.com exam.toeic.co.kr icfvisit.toeic.co.kr ipresult.toeflitp.co.kr ipscore.toeic.co.kr issue.toeflitp.co.kr japan.jpt.co.kr leveltest.ybmecc.com m.appexam.ybmsisa.com m.bizhanja.co.kr m.cyber.ybmsisa.com m.e4u.ybmsisa.com m.exam.toeic.co.kr m.exam.ybmsisa.com m.jet.or.kr m.jetkids.co.kr m.jetspeaking.co.kr m.jpt.co.kr m.nihongokentei.co.kr m.pay.ybmclass.com m.toeflitp.co.kr m.toeic.co.kr m.toeicbridge.co.kr m.toeicbridgeswt.co.kr m.toeicswt.co.kr m.ybm1to1.com m.ybmcc.com m.ybmedu.com m.ybmhakjum.com m.ybmkpe.co.kr m.ybmreaders.com m.ybmsisatne.co.kr m.ybmsjpt.co.kr m.ybmteachers.com m.ybmtfi.co.kr m.ybmtsc.co.kr m.ybmuniv.com magazine.ybmsisatne.co.kr moscontrol.ybmit.com mstncenter.toeicswt.co.kr nwadmin.ybmedu.com server.toeicswt.co.kr speech.cyberesls.com stncenter.toeicswt.co.kr supervisor.toeic.co.kr teadmin.ybmsisatne.co.kr wowedu.ybmedu.com wowedu2.ybmedu.com wownw.ybmedu.com www.95chinese.com www.asukorea.co.kr www.bizhanja.co.kr www.cnnthebiz.com www.cyberesls.com www.engloocamp.com www.eslscat.com www.icfkorea.net www.jet.or.kr www.jetkids.co.kr www.jetspeaking.co.kr www.jpt.co.kr www.nihongokentei.co.kr www.readingfarm.co www.toeflitp.co.kr www.toeic.co.kr www.toeicbridge.co.kr www.toeicbridgeswt.co.kr www.toeicswt.co.kr www.wbook.co.kr www.ybm.co.kr www.ybm1to1.com www.ybmacademy.com www.ybmallinall.com www.ybmb2b.com www.ybmbooks.com www.ybmcamp.com www.ybmcc.com www.ybmecc.com www.ybmedu.com www.ybmengloo.com www.ybmgong.com www.ybmhakjum.com www.ybmit.com www.ybmivy.com www.ybmkpe.co.kr www.ybmleader.com www.ybmmastery.com www.ybmreaders.com www.ybmsisatne.co.kr www.ybmsjpt.co.kr www.ybmte.co.kr www.ybmteachers.com www.ybmteensuhak.com www.ybmtfi.co.kr www.ybmtouch.com www.ybmtsc.co.kr www.ybmuhak.com www.ybmuniv.com ybm.toeicswt.co.kr ybmsisa.com yboard.ybm.co.kr .ybmsisa.com .ybmbiz.co.kr .ybmclass.com *.ybmfarm.com m.appexam.ybmnet.co.kr m.cyber.ybmnet.co.kr m.e4u.ybmnet.co.kr m.exam.ybmnet.co.kr ybmnet.co.kr

Ybm.co.kr Server Information

Server Location

Geolocation Tool

Seoul-teukbyeolsi

Republic of

Korea

ASN Information

ASN Lookup Tool

ASN ID: 17881
ASN Title: INETHOSTING-AS-KR Inet Hosting, Inc., KR

Last Update: 03/07/2024

ASN Whois

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

% Information related to 'AS17408 - AS18409'

as-block: AS17408 - AS18409
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 'AS17653 - AS18431'

as-block: AS17653 - AS18431
descr: APNIC ASN block
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-APNIC-AP
last-modified: 2016-09-30T02:07:37Z
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 'AS17832 - AS17881'

as-block: AS17832 - AS17881
descr: KRNIC-ASBLOCK-AP
descr: KRNIC
descr: Korea Network Information Center
country: KR
admin-c: HM127-AP
tech-c: HM127-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.or.kr
mnt-by: APNIC-HM
mnt-lower: MNT-KRNIC-AP
last-modified: 2017-06-15T04:25:42Z
source: APNIC

person: Host Master
address: 135 Jungdae-ro Songpa-gu Seoul
country: KR
phone: +82-2-405-5118
e-mail: hostmaster@nic.or.kr
nic-hdl: HM127-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2016-03-15T04:20:59Z
source: APNIC

% Information related to 'AS17881'

% Abuse contact for 'AS17881' is 'hostmaster@nic.or.kr'

aut-num: AS17881
as-name: INETHOSTING-AS-KR
descr: Inet Hosting, Inc.
country: KR
admin-c: AM1654-AP
tech-c: AM1654-AP
import: from AS3976
action pref=10;
accept ANY
import: from AS9957
action pref=10;
accept ANY
export: to AS3976
announce AS17881
export: to AS9957
announce AS17881
default: to AS9957
action pref=100;
networks ANY
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2016-10-27T02:36:41Z
source: APNIC

irt: IRT-KRNIC-KR
address: Seocho-ro 398, Seocho-gu, Seoul, Korea
e-mail: hostmaster@nic.or.kr
abuse-mailbox: hostmaster@nic.or.kr
admin-c: IM574-AP
tech-c: IM574-AP
auth: # Filtered
mnt-by: MNT-KRNIC-AP
last-modified: 2017-10-19T07:36:36Z
source: APNIC

person: AS Manager
address: Seoul Seocho-gu Nambusunhwan-ro 337ga-gil 40
country: KR
phone: +82-2-2103-7500
e-mail: net@inet.co.kr
nic-hdl: AM1654-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2017-10-10T00:49:29Z
source: APNIC

% Information related to 'AS17881'

aut-num: AS17881
as-name: INETHOSTING-AS-KR-KR
descr: Inet Hosting, Inc.
country: KR
import: from AS3976 action pref=10 accept ANY
import: from AS9957 action pref=10 accept ANY
export: to AS3976 announce AS17881
export: to AS9957 announce AS17881
admin-c: JC431-KR
tech-c: JC431-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
changed: hostmaster@nic.or.kr
source: KRNIC

person: AS Manager
address: Seoul Seocho-gu Nambusunhwan-ro 337ga-gil 40
address:
country: KR
phone: +82-2-2103-7500
e-mail: net@inet.co.kr
nic-hdl: JC431-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr
source: KRNIC

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

Ybm.co.kr Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

query : ybm.co.kr

# KOREAN(UTF8)

도메인이름 : ybm.co.kr
등록인 : (주)와이비엠
등록인 주소 : 서울특별시 종로구 종로 104
등록인 우편번호 : 03191
책임자 : (주)와이비엠
책임자 전자우편 : domain@ybm.co.kr
책임자 전화번호 : +82.220000217
등록일 : 2000. 11. 17.
최근 정보 변경일 : 2020. 03. 04.
사용 종료일 : 2022. 11. 17.
정보공개여부 : Y
등록대행자 : (주)가비아(http://www.gabia.co.kr)
DNSSEC : 미서명

1차 네임서버 정보
호스트이름 : ns.ybm.co.kr
IP 주소 : 203.231.233.131

2차 네임서버 정보
호스트이름 : ns2.ybm.co.kr
IP 주소 : 220.90.212.161

네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.

# ENGLISH

Domain Name : ybm.co.kr
Registrant : YBM
Registrant Address : 104, Jong-ro, Jongno-gu, Seoul,
Registrant Zip Code : 03191
Administrative Contact(AC) : YBM
AC E-Mail : domain@ybm.co.kr
AC Phone Number : +82.220000217
Registered Date : 2000. 11. 17.
Last Updated Date : 2020. 03. 04.
Expiration Date : 2022. 11. 17.
Publishes : Y
Authorized Agency : Gabia, Inc.(http://www.gabia.co.kr)
DNSSEC : unsigned

Primary Name Server
Host Name : ns.ybm.co.kr
IP Address : 203.231.233.131

Secondary Name Server
Host Name : ns2.ybm.co.kr
IP Address : 220.90.212.161

- KISA/KRNIC WHOIS Service -

DNS Records

DNS Lookup Tool

Host	A Record	TTL
ybm.co.kr	203.231.233.137	3600

Host	MX Record	Priority	TTL
ybm.co.kr	mailmain.ybmsisa.co.kr	10	3600

Host	NS Record	TTL
ybm.co.kr	ns.ybm.co.kr	3600
ybm.co.kr	ns2.ybm.co.kr	3600

Host	TXT Record	TTL
ybm.co.kr	v=spf1 ip4:203.231.233.147 ip4:203.231.233.148 ip4:210.116.108.63 ip4:210.116.108.64 ip4:210.116.108.65 ip4:210.116.108.66 ip4:218.236.40.17 ip4:218.236.40.19 ~all	3600

sisadns131
TTL: 3600
Email address: admin
Serial: 94
Refresh: 900
Retry: 600
Expire: 86400
Minimum: 3600

Ybm.co.kr HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “bf”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “be”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “ee”, “b1”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “b0”.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

Internal encoding declaration “euc-kr” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=EUC-KR” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “f0”, “b9”.

Malformed byte sequence: “d9”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “de”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “e6”, “bd”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “df”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “da”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “af”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “a6”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “e2”, “bd”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “e6”, “bf”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “e2”, “b7”.

Malformed byte sequence: “eb”, “ba”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “c6”.

Attribute “data” not allowed on element “li” at this point.

Malformed byte sequence: “eb”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “a5”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “dc”.

Malformed byte sequence: “eb”, “be”.

Malformed byte sequence: “e0”, “b0”.

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The “type” attribute is unnecessary for JavaScript resources.

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

The value of attribute “data” on element “li” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.

The value of attribute “title” on element “a” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.

Text run is not in Unicode Normalization Form C.

NON-DOCUMENT-ERROR

Too many messages.

Ybm.co.kr Desktop Insights

Desktop Page Insights Tool

Last tested: 12/29/2019

Desktop

Desktop Speed

33%

Optimize images

Leverage browser caching

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

Enable compression

Minify HTML

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	133
Number of Hosts	18
Static Resources	112
JavaScript Resources	14
CSS Resources	8

Ybm.co.kr Mobile Insights

Mobile Page Insights Tool

Last tested: 02/07/2019

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

29%

Optimize images

Leverage browser caching

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

Enable compression

Minify HTML

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	121
Number of Hosts	16
Static Resources	105
JavaScript Resources	14
CSS Resources	8

Ybm.co.kr Typos

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Ybm.co.kr YBM

TOEIC, 영어, 중국어까지 외국어 전문 교육

Quick Summary

Ybm.co.kr General Information

Ybm.co.kr Alexa Rank History

Ybm.co.kr Safety Information

Ybm.co.kr Server Information

Ybm.co.kr Domain Name Information

Ybm.co.kr HTML Validation

Ybm.co.kr Desktop Insights

Ybm.co.kr Mobile Insights

Ybm.co.kr Nearest Competitors

Ybm.co.kr Typos