Ybmclass.com ranking shows that the page is at position 132,531 over the world, while the bulk of its audience is from Korea, where it ranks 4,242.
It is beneficial to ybmclass.com that their hosting company SEJONGTELECOM-AS-KR Sejong Telecom, KR servers are located in Korea, as that reduces page load time for the majority of their users. See the list of other webpages hosted on SEJONGTELECOM-AS-KR Sejong Telecom, KR servers.
In terms of rank-to-traffic ratio, ybmclass.com has 1,201 unique users per day, viewing 5,330 pages. The rank based value of ybmclass.com is 94,703 USD. Every user makes 4.76 pageviews on average.
Ybmclass.com boasts a link base consisting of 264 referring domains and 310 external backlinks, as revealed by the data obtained from web network scanning.
Ybmclass.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.
According the last verification test in July 21, 2024, ybmclass.com has an expired wildcard SSL certificate issued by GlobalSign nv-sa (expired on August 31, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by GlobalSign nv-sa.
Based on data from Google Safe Browsing, Google Safe Search and Symantec ybmclass.com is a fairly safe domain.
According the Mobile-Friendly test by Google ybmclass.com is nice optimized for mobile devices and tablets, however the webpage speed could be improved.





| Domain | *.ybmnet.co.kr |
| Issuer Organization | GlobalSign nv-sa |
| Issuer | GlobalSign RSA OV SSL CA 2018 |
| Algorithm | RSA-SHA256 |
| Valid form | 07/31/2023 |
| Expiration | 08/31/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.ybmnet.co.kr ybmsisa.com ybmphoneclass.com ybmfarm.com ybmclass.com ybmbiz.co.kr admin.toeic.co.kr answer.eslscat.com b2b.toeic.co.kr b2b.ybmedu.com company.ybm.co.kr cs.ybmpine.com digital.ybmengloo.com exam.toeic.co.kr ipresult.toeflitp.co.kr ipscore.toeic.co.kr issue.toeflitp.co.kr learning.ybmecc.com leveltest.ybmecc.com m.bizhanja.co.kr m.china.ybmclass.com m.cyber.ybmsisa.com m.eng.ybmclass.com m.exam.toeic.co.kr m.exam.ybmsisa.com m.japan.ybmclass.com m.jet.or.kr m.jetkids.co.kr m.jetspeaking.co.kr m.jpt.co.kr m.my.ybmclass.com m.pay.ybmclass.com m.phone.ybmclass.com m.toeflitp.co.kr m.toeic.co.kr m.toeic.ybmclass.com 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.ybmpublwiz.co.kr m.ybmsjpt.co.kr m.ybmteachers.com m.ybmtsc.co.kr magazine.ybmsisatne.co.kr mobile.ybmhakjum.com mstncenter.toeicswt.co.kr note.ybmpine.com server.toeicswt.co.kr sol.cyberesls.com speech.cyberesls.com stncenter.toeicswt.co.kr supervisor.toeic.co.kr wow.ybmpine.com wowedu.ybmedu.com wowedu2.ybmedu.com www.asukorea.co.kr www.asukorea.com www.bizhanja.co.kr www.cyberesls.com www.eslscat.com www.icfkorea.net www.jet.or.kr www.jetkids.co.kr www.jetspeaking.co.kr www.jpt.co.kr www.muffinenglish.com 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.ybmbook.co.kr www.ybmbooks.com www.ybmcall.com www.ybmcc.com www.ybmecc.com www.ybmedu.com www.ybmengloo.co.kr www.ybmengloo.com www.ybmfamily.com www.ybmhakjum.com www.ybmkpe.co.kr www.ybmleader.com www.ybmlive.com www.ybmlms.com www.ybmpine.com www.ybmpublwiz.co.kr www.ybmreaders.com www.ybmreadingfarm.com www.ybmsisatne.co.kr www.ybmsjpt.co.kr www.ybmteachers.com www.ybmthebiz.com www.ybmtsc.co.kr www.ybmuhak.com www.ybmuniv.com ybm.toeicswt.co.kr yboard.ybm.co.kr yestab.ybmengloo.com *.ybmbiz.co.kr *.ybmclass.com *.ybmfarm.com *.ybmphoneclass.com *.ybmsisa.com m.cyber.ybmnet.co.kr m.exam.ybmnet.co.kr ybmnet.co.kr |
Alexa Rank shows how popular ybmclass.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If ybmclass.com 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 ybmclass.com and pageviews on ybmclass.com over the past 3 months.
ASN ID: 9848
ASN Title: SEJONGTELECOM-AS-KR Sejong Telecom, KRLast Update: 08/24/2025
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS9216 - AS10239'
as-block: AS9216 - AS10239
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: 2009-05-19T07:00:23Z
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 'AS9840 - AS9871'
as-block: AS9840 - AS9871
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: 2017-06-15T04:25:41Z
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 'AS9848'
% Abuse contact for 'AS9848' is 'hostmaster@nic.or.kr'
aut-num: AS9848
as-name: SejongTelecom-AS-KR
descr: Sejong Telecom
country: KR
admin-c: AM1737-AP
tech-c: AM1737-AP
import: from AS3786
action pref=0;
accept ANY
import: from AS9457
action pref=0;
accept ANY
export: to AS3786
announce AS9848
export: to AS9457
announce AS9848
default: to AS9457
action pref=0;
networks ANY
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2018-01-25T05:12:52Z
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 Gangdong-gu Sangil-ro 10-gil 36
country: KR
phone: +82-70-7997-6133
e-mail: papilion@sejongtelecom.net
nic-hdl: AM1737-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2017-08-07T00:55:25Z
source: APNIC
% Information related to 'AS9848'
aut-num: AS9848
as-name: SejongTelecom-AS-KR-KR
descr: Sejong Telecom
country: KR
import: from 3786 action pref=0 accept ANY
import: from 9457 action pref=0 accept ANY
export: to 3786 announce NEW
export: to 9457 announce NEW
admin-c: NM5030-KR
tech-c: NM5030-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
changed: hostmaster@nic.or.kr
source: KRNIC
person: AS Manager
address: Seoul Gangdong-gu Sangil-ro 10-gil 36
address: (SangIldong)
country: KR
phone: +82-70-7997-6133
e-mail: papilion@sejongtelecom.net
nic-hdl: NM5030-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)
Domain Name: YBMCLASS.COM
Registry Domain ID: 1853324189_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.gabia.com
Registrar URL: http://www.gabia.com
Updated Date: 2024-03-19T19:55:46Z
Creation Date: 2014-04-04T05:52:13Z
Registry Expiry Date: 2025-04-04T05:52:13Z
Registrar: Gabia, Inc.
Registrar IANA ID: 244
Registrar Abuse Contact Email: abuse@gabia.com
Registrar Abuse Contact Phone: +82.28293543
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS.YBMSISA.COM
Name Server: NS2.YBMSISA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-01-07T11:59:13Z
| Host | A Record | TTL |
|---|---|---|
| ybmclass.com | 203.231.233.185 | 3600 |
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|---|---|
| ybmclass.com | ns.ybmsisa.com | 3600 |
| Host | TXT Record | TTL |
|---|
sisadns131
TTL: 3600
Email address: hostmaster
Serial: 31
Refresh: 900
Retry: 600
Expire: 86400
Minimum: 3600
Last tested: 10/26/2019

| Total Resources | 164 |
| Number of Hosts | 53 |
| Static Resources | 103 |
| JavaScript Resources | 31 |
| CSS Resources | 12 |
Last tested: 10/27/2019


| Total Resources | 161 |
| Number of Hosts | 49 |
| Static Resources | 103 |
| JavaScript Resources | 30 |
| CSS Resources | 12 |