Chu.ac.kr 제주한라대학교 CHEJU HALLA UNIVERSITY
Server IP address resolved: No
Http response code: None
Last Checked: 04/30/2026
Chu.ac.kr attracts 1,821 unique visitors daily, generating 3,642 pageviews. The estimated value of chu.ac.kr is 2,825 USD. Each visitor views approximately 2.14 pages on average.
Chu.ac.kr is hosted by HALLA-AS-KR CHEJU HALLA UNIVERSITY, KR. Check out other websites hosted by HALLA-AS-KR CHEJU HALLA UNIVERSITY, KR.
See the list of other websites hosted by HALLA-AS-KR CHEJU HALLA UNIVERSITY, KR.
Chu.ac.kr is registered with the .KR top-level domain. Explore additional websites within the .KR zone.
A recent examination on (July 13, 2025), indicates that chu.ac.kr has an expired wildcard SSL certificate issued by Sectigo Limited (expired on December 10, 2025). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Sectigo Limited.
According to Google Safe Browsing, Google Safe Search and Symantec chu.ac.kr appears to be a safe domain.
Based on Google's Mobile-Friendly test, chu.ac.kr 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.
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Norton ConnectSafe evaluates chu.ac.kr for any unsafe and insecure content. The results are critical for families with young children.

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.

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.

McAfee assesses chu.ac.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 chu.ac.kr for mature or inappropriate content, only security checks are evaluated.

The WOT calculates reputation of the chu.ac.kr. This reputation system receives ratings from users and information from third-party sources, assesses the chu.ac.kr for safety features and confirms, whether chu.ac.kr is suitable for children.
| Domain | *.chu.ac.kr |
| Issuer Organization | Sectigo Limited |
| Issuer | Sectigo RSA Domain Validation Secure Server CA |
| Algorithm | RSA-SHA256 |
| Valid form | 11/11/2024 |
| Expiration | 12/10/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.chu.ac.kr chu.ac.kr |
ASN ID: 17578
ASN Title: HALLA-AS-KR CHEJU HALLA UNIVERSITY, KR
Last Update: 09/14/2025
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17408 - AS17651'
as-block: AS17408 - AS17651
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: 2019-01-08T23:22:27Z
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 'AS17567 - AS17616'
as-block: AS17567 - AS17616
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: Jeollanam-do Naju-si Jinheung-gil
country: KR
phone: +82-2-405-5118
e-mail: hostmaster@nic.or.kr
nic-hdl: HM127-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2019-05-22T01:20:31Z
source: APNIC
% Information related to 'AS17578'
% Abuse contact for 'AS17578' is 'irt@nic.or.kr'
aut-num: AS17578
as-name: HALLA-AS-KR
descr: CHEJU HALLA UNIVERSITY
country: KR
admin-c: AM1929-AP
tech-c: AM1929-AP
import: from AS3766
action pref=100;
accept ANY
import: from AS3786
action pref=10;
accept ANY
export: to AS3766
announce AS17578
export: to AS3786
announce AS17578
default: to AS3786
action pref=10;
networks ANY
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2016-12-01T04:17:46Z
source: APNIC
irt: IRT-KRNIC-KR
address: Jeollanam-do Naju-si Jinheung-gil
e-mail: irt@nic.or.kr
abuse-mailbox: irt@nic.or.kr
admin-c: IM574-AP
tech-c: IM574-AP
auth: # Filtered
remarks: irt@nic.or.kr was validated on 2020-04-09
mnt-by: MNT-KRNIC-AP
last-modified: 2020-04-09T10:23:17Z
source: APNIC
person: AS Manager
address: Jeju-do Jeju-si Halladaehak-ro 38
country: KR
phone: +82-64-741-7508
e-mail: kjm270@chu.ac.kr
nic-hdl: AM1929-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2017-10-10T00:49:48Z
source: APNIC
% Information related to 'AS17578'
aut-num: AS17578
as-name: HALLA-AS-KR-KR
descr: CHEJU HALLA UNIVERSITY
country: KR
import: from 3786 action pref=10 accept ANY
import: from 3766 action pref=100 accept ANY
export: to 3786 announce NEW
export: to 3766 announce NEW
admin-c: LS3964-KR
tech-c: SH3964-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
changed: hostmaster@nic.or.kr
source: KRNIC
person: AS Manager
address: Jeju-do Jeju-si Halladaehak-ro 38
address: Halla Univ
country: KR
phone: +82-64-741-7508
e-mail: kjm270@chu.ac.kr
nic-hdl: LS3964-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr
source: KRNIC
person: AS Manager
address: Jeju-do Jeju-si Halladaehak-ro 38
address: Halla Univ
country: KR
phone: +82-64-741-7508
e-mail: kjm270@chu.ac.kr
nic-hdl: SH3964-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-SNAPSHOT (WHOIS-US4)
query : chu.ac.kr
# KOREAN(UTF8)
도메인이름 : chu.ac.kr
등록인 : 제주한라대학
등록인 주소 : 제주도 제주시 노형동 제주한라대학 한라대학로 38
등록인 우편번호 : 690708
책임자 : 제주한라대학교
책임자 전자우편 : kkang1201@chu.ac.kr
책임자 전화번호 : 064-741-7420
등록일 : 2011. 03. 11.
최근 정보 변경일 : 2019. 12. 20.
사용 종료일 : 2027. 03. 11.
정보공개여부 : Y
등록대행자 : (주)아이네임즈(http://www.inames.co.kr)
DNSSEC : 미서명
1차 네임서버 정보
호스트이름 : cheju.halla-c.ac.kr
IP 주소 : 14.49.224.2
2차 네임서버 정보
호스트이름 : ns2.kornet.net
네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.
# ENGLISH
Domain Name : chu.ac.kr
Registrant : CHEJU HALLA COLLEGE
Registrant Address : Jeju Halla College, Nohyeong-dong Jeju-si, Jeju-do, KR
Registrant Zip Code : 690708
Administrative Contact(AC) : CHEJU HALLA UNIVERSITY
AC E-Mail : kkang1201@chu.ac.kr
AC Phone Number : 064-741-7420
Registered Date : 2011. 03. 11.
Last Updated Date : 2019. 12. 20.
Expiration Date : 2027. 03. 11.
Publishes : Y
Authorized Agency : Inames Co., Ltd.(http://www.inames.co.kr)
DNSSEC : unsigned
Primary Name Server
Host Name : cheju.halla-c.ac.kr
IP Address : 14.49.224.2
Secondary Name Server
Host Name : ns2.kornet.net
- KISA/KRNIC WHOIS Service -
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