U1.ac.kr U1대학교

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 04/30/2026

U1.ac.kr attracts 172 unique visitors daily, generating 517 pageviews. The estimated value of u1.ac.kr is 3,124 USD. Each visitor views approximately 3.21 pages on average.

According to Majestic's traffic estimates, u1.ac.kr ranks 39,147 globally.

U1.ac.kr server is located in Korea, so we cannot determine if the distance might affect the page load time.

See the list of other websites hosted by KIXS-AS-KR Korea Telecom, KR.

U1.ac.kr is registered with the .KR top-level domain. Explore additional websites within the .KR zone.

A recent examination on (September 25, 2024), indicates that u1.ac.kr has an expired SSL certificate issued by Sectigo Limited (expired on August 31, 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 u1.ac.kr appears to be a safe domain.

Based on Google's Mobile-Friendly test, u1.ac.kr is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Global Rank
1,369,491
Average Load Time
0.00sec
Links In Count
25
Website Value
$2,920
Overview
Last Updated: 04/30/2026
Overall result - u1.ac.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: 04/01/2026
u1.ac.kr is safe.
Norton ConnectSafe evaluates u1.ac.kr for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 01/03/2017
u1.ac.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
u1.ac.kr 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: 03/02/2021
u1.ac.kr is safe.
McAfee assesses u1.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 u1.ac.kr for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 04/30/2026
u1.ac.kr child safety is unknown.
The WOT calculates reputation of the u1.ac.kr. This reputation system receives ratings from users and information from third-party sources, assesses the u1.ac.kr for safety features and confirms, whether u1.ac.kr is suitable for children.

U1.ac.kr | SSL Certificate Information
Domainwww.u1.ac.kr
Issuer OrganizationSectigo Limited
IssuerSectigo RSA Domain Validation Secure Server CA
AlgorithmRSA-SHA256
Valid form08/01/2024
Expiration08/31/2025
SignedCertificate is not self signed
Additional Domains www.u1.ac.kr
*.u1.ac.kr
*.yd.ac.kr
u1.ac.kr
youngdong.ac.kr
Server Location

U1.ac.kr ASN Information

ASN ID: 4766
ASN Title: KIXS-AS-KR Korea Telecom, KR

Last Update: 09/09/2025

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

% Information related to 'AS4608 - AS4864'

as-block: AS4608 - AS4864
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 'AS4766'

% Abuse contact for 'AS4766' is 'hostmaster@nic.or.kr'

aut-num: AS4766
as-name: KIXS-AS-KR
descr: Korea Telecom
country: KR
admin-c: AM1758-AP
tech-c: AM1758-AP
import: from AS9277
action pref=100;
accept ANY
import: from AS9318
action pref=10;
accept ANY
export: to AS9277
announce AS4766
export: to AS9318
announce AS4766
default: to AS9277
action pref=10;
networks ANY
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2016-11-23T01:18:18Z
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: Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
country: KR
phone: +82-2-500-6630
e-mail: kornet_ip@kt.com
nic-hdl: AM1758-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2016-11-23T01:17:45Z
source: APNIC

% Information related to 'AS4766'

aut-num: AS4766
as-name: KIXS-AS-KR-KR
descr: Korea Telecom
country: KR
import: from AS9318 action pref=10 accept ANY
import: from AS9277 action pref=100 accept ANY
export: to AS9318 announce AS4766
export: to AS9277 announce AS4766
admin-c: KB27-KR
tech-c: 27-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
changed: hostmaster@nic.or.kr
source: KRNIC

person: AS Manager
address: Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:
country: KR
phone: +82-2-500-6630
e-mail: kornet_ip@kt.com
nic-hdl: 27-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr
source: KRNIC

person: AS Manager
address: Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:
country: KR
phone: +82-2-500-6630
e-mail: kornet_ip@kt.com
nic-hdl: KB27-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-US4)

WHOIS

query : u1.ac.kr

# KOREAN(UTF8)

도메인이름 : u1.ac.kr
등록인 : 유원대학교
등록인 주소 : 충청북도 영동군 영동읍 대학로 310 행정지원처 총무팀 전산지원
등록인 우편번호 : 29131
책임자 : 유원대학교
책임자 전자우편 : kornan@yd.ac.kr
책임자 전화번호 : 043-740-1063
등록일 : 2015. 12. 23.
최근 정보 변경일 : 2021. 05. 14.
사용 종료일 : 2023. 12. 23.
정보공개여부 : Y
등록대행자 : (주)아이네임즈(http://www.inames.co.kr)
DNSSEC : 미서명

1차 네임서버 정보
호스트이름 : ns1-05.azure-dns.com

2차 네임서버 정보
호스트이름 : ns2-05.azure-dns.net
호스트이름 : ns3-05.azure-dns.org
호스트이름 : ns4-05.azure-dns.info

네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.

# ENGLISH

Domain Name : u1.ac.kr
Registrant : youndong university
Registrant Address : U1 university, 310 Daehak-ro Yeongdong-eup Yeongdong-gun, Chungcheongbuk-do, KR
Registrant Zip Code : 29131
Administrative Contact(AC) : U1 university
AC E-Mail : kornan@yd.ac.kr
AC Phone Number : 043-740-1063
Registered Date : 2015. 12. 23.
Last Updated Date : 2021. 05. 14.
Expiration Date : 2023. 12. 23.
Publishes : Y
Authorized Agency : Inames Co., Ltd.(http://www.inames.co.kr)
DNSSEC : unsigned

Primary Name Server
Host Name : ns1-05.azure-dns.com

Secondary Name Server
Host Name : ns2-05.azure-dns.net
Host Name : ns3-05.azure-dns.org
Host Name : ns4-05.azure-dns.info

- KISA/KRNIC WHOIS Service -


DNS Records
HostA RecordTTL
u1.ac.kr220.86.242.553600
HostMX RecordPriorityTTL
u1.ac.krALT1.ASPMX.L.GOOGLE.COM53600
u1.ac.krASPMX3.GOOGLEMAIL.COM103600
u1.ac.krASPMX2.GOOGLEMAIL.COM103600
u1.ac.krASPMX.L.GOOGLE.COM13600
u1.ac.krALT2.ASPMX.L.GOOGLE.COM53600
HostNS RecordTTL
u1.ac.krns2.u1.ac.kr3600
u1.ac.krns.u1.ac.kr3600
HostTXT RecordTTL
u1.ac.krv=spf1 include:_spf.google.com ~all3600
u1.ac.krgoogle-site-verification=yCtJIFYsfOi6GYd7CLzVqWp6Ri9AINENnVUTplaMCDQ3600

ns.u1.ac.kr
TTL: 3600
Email address: jeongsy10.u1.ac.kr
Serial: 2019071212
Refresh: 21600
Retry: 3600
Expire: 1209600
Minimum: 86400


Errors

Last tested: 04/29/2017

Desktop
Desktop Speed
47%

Desktop Resource Breakdown
Total Resources95
Number of Hosts6
Static Resources88
JavaScript Resources15
CSS Resources10

Last tested: 05/31/2017

Mobile
Mobile Usability
98%
Mobile Speed
40%

Mobile Resource Breakdown
Total Resources95
Number of Hosts6
Static Resources88
JavaScript Resources15
CSS Resources10
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