Ef.co.kr EF Education First | 코리아
50년 역사의 세계 최대 교육 기업 EF는 여러분이 세계 무대에서 꿈을 펼칠 수 있도록 문화 교류와 학업적 성취, 여행 등을 결합한 어학연수와 유학 프로그램을 제공합니다.
Ef.co.kr Overview
Ef.co.kr ranking shows that the page is at position 427,079 over the world.
In terms of rank-to-traffic ratio, ef.co.kr has 1,732 unique users per day, viewing 1,750 pages. The rank based value of ef.co.kr is 23,676 USD. Every user makes 1.07 pageviews on average.
Ef.co.kr boasts a link base consisting of 247 referring domains and 267 external backlinks, as revealed by the data obtained from web network scanning.
Ef.co.kr top-level domain belongs to .KR domain zone. Check other webpages in .KR zone.
According the last verification test in August 08, 2024, ef.co.kr has an expired SSL certificate issued by Google Trust Services (expired on October 13, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Google Trust Services.
Based on data from Google Safe Browsing, Google Safe Search and Symantec ef.co.kr is a fairly safe domain.
According the Mobile-Friendly test by Google ef.co.kr is nice optimized for mobile devices and tablets, however the webpage speed could be improved.
Ef.co.kr Rank Summary
Ef.co.kr Website Safety
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 ef.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.
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 ef.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 ef.co.kr for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the ef.co.kr. This reputation system receives ratings from users and information from third-party sources, assesses the ef.co.kr for safety features and confirms, whether ef.co.kr is suitable for children.
| Domain | ef.co.kr |
| Issuer Organization | Google Trust Services |
| Issuer | WE1 |
| Algorithm | ecdsa-with-SHA256 |
| Valid form | 07/15/2024 |
| Expiration | 10/13/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
ef.co.kr *.ef.co.kr |
Ef.co.kr Rank History
Alexa Rank shows how popular ef.co.kr is in comparison with other sites. The most popular site has Alexa Rank equals 1. If ef.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 ef.co.kr and pageviews on ef.co.kr over the past 3 months.
Ef.co.kr Hosting Information
ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., USLast Update: 12/23/2024
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335
OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14
OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Ef.co.kr Domain Registration and Settings
query : ef.co.kr
# KOREAN(UTF8)
도메인이름 : ef.co.kr
등록인 : (주) 지선소프트
등록인 주소 : 경기도 성남시 분당구 삼평동 670번지 유스페이스1 B동 4층
등록인 우편번호 : 137920
책임자 : Melbourne IT DBS, Inc.
책임자 전자우편 : domainadmintl@ef.com
책임자 전화번호 : 82-2-345-5210
등록일 : 1999. 04. 27.
최근 정보 변경일 : 2021. 12. 13.
사용 종료일 : 2022. 10. 15.
정보공개여부 : Y
등록대행자 : (주)가비아(http://www.gabia.co.kr)
DNSSEC : 미서명
등록정보 보호 : clientTransferProhibited
1차 네임서버 정보
호스트이름 : anirban.ns.cloudflare.com
2차 네임서버 정보
호스트이름 : pam.ns.cloudflare.com
네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.
# ENGLISH
Domain Name : ef.co.kr
Registrant : EF Education First Korea
Registrant Address : 4Fl. B Tower Kyobo Tower Bldg., 1303-22 Seocho-Dong, Seocho-Gu
Registrant Zip Code : 137920
Administrative Contact(AC) : Domain Administrator
AC E-Mail : domainadmintl@ef.com
AC Phone Number : 82-2-345-5210
Registered Date : 1999. 04. 27.
Last Updated Date : 2021. 12. 13.
Expiration Date : 2022. 10. 15.
Publishes : Y
Authorized Agency : Gabia, Inc.(http://www.gabia.co.kr)
DNSSEC : unsigned
Domain Status : clientTransferProhibited
Primary Name Server
Host Name : anirban.ns.cloudflare.com
Secondary Name Server
Host Name : pam.ns.cloudflare.com
- KISA/KRNIC WHOIS Service -
| Host | A Record | TTL |
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| Host | MX Record | Priority | TTL |
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| Host | NS Record | TTL |
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Ef.co.kr HTML Check
Ef.co.kr Desktop Performance
Last tested: 12/04/2017
| Total Resources | 68 |
| Number of Hosts | 25 |
| Static Resources | 31 |
| JavaScript Resources | 26 |
| CSS Resources | 5 |
Ef.co.kr Mobile Insights
Last tested: 12/04/2017
| Total Resources | 71 |
| Number of Hosts | 26 |
| Static Resources | 33 |
| JavaScript Resources | 26 |
| CSS Resources | 5 |
Ef.co.kr Similar Audits
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