Cdi.co.kr 청담어학원 | April어학원 | CMS 영재교육센터 | CMS 영재관
크레버스(CREVERSE)의 언어, 수리 융합 사고력 브랜드. 글로벌 인재를 양성하는 미래교육. 청담어학원, April어학원, CMS 영재교육센터(사고력관), CMS 영재관 브랜드 소개 내용 제공
Server IP address resolved: Yes
Http response code: 200
Response time: 4.68 sec.
Last Checked: 03/18/2023
Over the time cdi.co.kr has been ranked as high as 415,623 in the world.
Cdi.co.kr is registered under .KR top-level domain. Check other websites in .KR zone.
At the time of the last check (June 16, 2019) cdi.co.kr has an expired wildcard SSL certificate (expired on July 18, 2020).
According to Google Safe Browsing, Google Safe Search and Symantec cdi.co.kr is quite a safe domain.
Mobile-Friendly test indicates that cdi.co.kr is well optimized for mobile and tablet devices, however website page loading time could be improved.
Alexa Rank shows how popular cdi.co.kr is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cdi.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 cdi.co.kr and pageviews on cdi.co.kr over the past 3 months.
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 ConnectSafe evaluates cdi.co.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.
"cdi.co.kr" is not a phishing page.
"cdi.co.kr" does not install unwanted software.
"cdi.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.
McAfee assesses cdi.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 cdi.co.kr for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the cdi.co.kr. This reputation system receives ratings from users and information from third-party sources, assesses the cdi.co.kr for safety features and confirms, whether cdi.co.kr is suitable for children.
Domain | *.chungdahm.com |
Issuer | GlobalSign Domain Validation CA - SHA256 - G2 |
Algorithm | RSA-SHA256 |
Valid form | 05/16/2018 |
Expiration | 07/18/2020 |
Signed | Certificate is not self signed |
Additional Domains | *.chungdahm.com chungdahm.com |
ASN ID: 4766
ASN Title: KIXS-AS-KR Korea Telecom, KR
Last Update: 01/03/2024
% [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
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action pref=10;
accept ANY
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announce AS4766
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announce AS4766
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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)
query : cdi.co.kr
# KOREAN(UTF8)
도메인이름 : cdi.co.kr
등록인 : (주)청담러닝
등록인 주소 : 서울 강남구 청담동 68-5 신영빌딩 15층
등록인 우편번호 : 135953
책임자 : (주)청담러닝
책임자 전자우편 : cdi_domain@chungdahm.com
책임자 전화번호 : 02-3429-9407
등록일 : 2000. 02. 07.
최근 정보 변경일 : 2016. 02. 22.
사용 종료일 : 2022. 02. 07.
정보공개여부 : Y
등록대행자 : (주)가비아(http://www.gabia.co.kr)
DNSSEC : 미서명
1차 네임서버 정보
호스트이름 : ns1.cdi.co.kr
IP 주소 : 119.207.73.2
2차 네임서버 정보
호스트이름 : ns2.cdi.co.kr
IP 주소 : 61.78.75.5
네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.
# ENGLISH
Domain Name : cdi.co.kr
Registrant : Chungdahm Learning, Inc.
Registrant Address : 15F, Shinyoung Bldg, 68-5, Cheongdam-dong, Gangnam-gu, Seoul,
Registrant Zip Code : 135953
Administrative Contact(AC) : Chungdahm Learning, Inc.
AC E-Mail : cdi_domain@chungdahm.com
AC Phone Number : 02-3429-9407
Registered Date : 2000. 02. 07.
Last Updated Date : 2016. 02. 22.
Expiration Date : 2022. 02. 07.
Publishes : Y
Authorized Agency : Gabia, Inc.(http://www.gabia.co.kr)
DNSSEC : unsigned
Primary Name Server
Host Name : ns1.cdi.co.kr
IP Address : 119.207.73.2
Secondary Name Server
Host Name : ns2.cdi.co.kr
IP Address : 61.78.75.5
- KISA/KRNIC WHOIS Service -
Host | A Record | TTL |
---|---|---|
cdi.co.kr | 119.207.73.61 | 3600 |
Host | MX Record | Priority | TTL |
---|---|---|---|
cdi.co.kr | mail.cdi.co.kr | 10 | 3600 |
Host | NS Record | TTL |
---|---|---|
;; | no | connection |
Host | TXT Record | TTL |
---|
ns01
TTL: 3600
Email address: hostmaster
Serial: 247
Refresh: 900
Retry: 600
Expire: 86400
Minimum: 3600
Last tested: 07/03/2018
Total Resources | 164 |
Number of Hosts | 4 |
Static Resources | 157 |
JavaScript Resources | 8 |
CSS Resources | 2 |
Last tested: 06/02/2017
Total Resources | 166 |
Number of Hosts | 4 |
Static Resources | 159 |
JavaScript Resources | 8 |
CSS Resources | 2 |
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