S2b.kr S2B
Server IP address resolved: No
Http response code: None
Last Checked: 12/08/2025
S2b.kr attracts 146 unique visitors daily, generating 888 pageviews. The estimated value of s2b.kr is 9,373 USD. Each visitor views approximately 6.53 pages on average.
According to Majestic's traffic estimates, s2b.kr ranks 25,114 globally, with the majority of its visitors coming from Korea, where it holds the 14,744 position.
It is beneficial for s2b.kr that their data center (provided by KIXS-AS-KR Korea Telecom, KR) is located in Korea, as this helps reduce page load time for most visitors.
See the list of other websites hosted by KIXS-AS-KR Korea Telecom, KR.
S2b.kr is registered with the .KR top-level domain. Explore additional websites within the .KR zone.
A recent examination on (July 26, 2024), indicates that s2b.kr has an expired wildcard SSL certificate issued by Sectigo Limited (expired on October 10, 2024). 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 s2b.kr appears to be a safe domain.
Based on Google's Mobile-Friendly test, s2b.kr is optimized for mobile and tablet devices, although the web page loading speed could be improved.

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 s2b.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 s2b.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 s2b.kr for mature or inappropriate content, only security checks are evaluated.

The WOT calculates reputation of the s2b.kr. This reputation system receives ratings from users and information from third-party sources, assesses the s2b.kr for safety features and confirms, whether s2b.kr is suitable for children.
| Domain | *.s2b.kr |
| Issuer Organization | Sectigo Limited |
| Issuer | Sectigo RSA Organization Validation Secure Server CA |
| Algorithm | RSA-SHA256 |
| Valid form | 09/19/2023 |
| Expiration | 10/10/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.s2b.kr s2b.kr |
ASN ID: 4766
ASN Title: KIXS-AS-KR Korea Telecom, KR
Last Update: 08/27/2025
% [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)
query : s2b.kr
# KOREAN(UTF8)
도메인이름 : s2b.kr
등록인 : (주)교원나라
등록인 주소 : 서울특별시 종로구 창경궁로 117 4층 더케이교직원나라
등록인 우편번호 : 03137
책임자 : (주)교원나라
책임자 전자우편 : kwinfra@s2b.kr
책임자 전화번호 : +82.27872800
등록일 : 2007. 07. 12.
최근 정보 변경일 : 2022. 07. 25.
사용 종료일 : 2025. 07. 12.
정보공개여부 : Y
등록대행자 : (주)가비아(http://www.gabia.co.kr)
DNSSEC : 미서명
1차 네임서버 정보
호스트이름 : ns.kornet.net
2차 네임서버 정보
호스트이름 : ns2.kornet.net
네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.
# ENGLISH
Domain Name : s2b.kr
Registrant : Teachiworld Co., Ltd.
Registrant Address : 117, Changgyeonggung-ro, Jongno-gu, Seoul,
Registrant Zip Code : 03137
Administrative Contact(AC) : Teachiworld Co., Ltd.
AC E-Mail : kwinfra@s2b.kr
AC Phone Number : +82.27872800
Registered Date : 2007. 07. 12.
Last Updated Date : 2022. 07. 25.
Expiration Date : 2025. 07. 12.
Publishes : Y
Authorized Agency : Gabia, Inc.(http://www.gabia.co.kr)
DNSSEC : unsigned
Primary Name Server
Host Name : ns.kornet.net
Secondary Name Server
Host Name : ns2.kornet.net
- KISA/KRNIC WHOIS Service -
| Host | A Record | TTL |
|---|---|---|
| s2b.kr | 210.222.32.221 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| s2b.kr | mail.ktcu.or.kr | 10 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| s2b.kr | ns2.kornet.net | 3600 |
| s2b.kr | ns.kornet.net | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| s2b.kr | v=spf1 ip4:210.99.182.108 ip4:210.99.182.109 ip4:210.99.182.11 ip4:210.99.182.112 ip4:210.222.17.150 ip4:210.222.17.151 ip4:210.99.182.10 ip4:210.222.17.147 ~all | 3600 |
ns.kornet.net
TTL: 3600
Email address: domain.ns.kornet.net
Serial: 2022072601
Refresh: 43200
Retry: 3600
Expire: 604800
Minimum: 43200
Last tested: 11/11/2019

| Total Resources | 66 |
| Number of Hosts | 3 |
| Static Resources | 58 |
| JavaScript Resources | 10 |
| CSS Resources | 5 |
Last tested: 05/21/2017


| Total Resources | 137 |
| Number of Hosts | 2 |
| Static Resources | 127 |
| JavaScript Resources | 10 |
| CSS Resources | 2 |
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Korea KR