Domain: SEIBII.CO.JP (8 similar domains)
Query Time: 30 Apr 2026 - 10:00 AM UTC [2 HRS BACK] [REFRESH]
Registered: 12th June 2019 [6 years, 10 months, 18 days back]
Updated: 1st July 2025 [9 months, 29 days back]
NAME SERVERS
barbara.ns.cloudflare.com
denver.ns.cloudflare.com
REGISTRANT CONTACT
Company: Seibii, Inc
ADMINISTRATIVE CONTACT
Name: Yuu Sagawa (6 domains)
Company: Seibii, Inc
Email: [email protected]
TECHNICAL CONTACT
Name: Yuu Sagawa (6 domains)
Company: HeyWorld, Inc
Email: [email protected]
Phone: 09048239170
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Short URL: whoxy.com/seibii.co.jp
Permalink: https://www.whoxy.com/seibii.co.jp
--------------------------------------------------
Generator: x1.autowhois.com
Registry WHOIS: whois.jprs.jp
Query Time: Thu, 30 Apr 2026 10:00:01 +0000
--------------------------------------------------
[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information:
a. [Domain Name] SEIBII.CO.JP
g. [Organization] Seibii, Inc
l. [Organization Type] corporation
m. [Administrative Contact] YS57663JP
n. [Technical Contact] YS56856JP
p. [Name Server] barbara.ns.cloudflare.com
p. [Name Server] denver.ns.cloudflare.com
s. [Signing Key]
[State] Connected (2026/06/30)
[Registered Date] 2019/06/12
[Connected Date] 2019/06/12
[Last Update] 2025/07/01 01:07:56 (JST)
------------------------------
Administrative Contact Details
------------------------------
Contact Information:
a. [JPNIC Handle] YS57663JP
c. [Last, First] Sagawa, Yuu
d. [E-Mail] [email protected]
g. [Organization] Seibii, Inc
o. [TEL]
[Last Update] 2019/08/20 12:46:19 (JST)
[email protected]
------------------------------
Technical Contact Details
------------------------------
Contact Information:
a. [JPNIC Handle] YS56856JP
c. [Last, First] Sagawa, Yuu
d. [E-Mail] [email protected]
g. [Organization] HeyWorld, Inc
o. [TEL] 09048239170
[Last Update] 2019/06/12 10:43:48 (JST)
[email protected]{
"status": 1,
"domain_name": "seibii.co.jp",
"query_time": "2026-04-30 10:00:01",
"domain_registered": "yes",
"create_date": "2019-06-12",
"update_date": "2025-07-01",
"registrant_contact": {
"company_name": "Seibii, Inc"
},
"administrative_contact": {
"full_name": "Yuu Sagawa",
"company_name": "Seibii, Inc",
"email_address": "[email protected]"
},
"technical_contact": {
"full_name": "Yuu Sagawa",
"company_name": "HeyWorld, Inc",
"email_address": "[email protected]",
"phone_number": "09048239170"
},
"name_servers": [
"barbara.ns.cloudflare.com",
"denver.ns.cloudflare.com"
],
"raw_whois": "--------------------------------------------------\nGenerator: x1.autowhois.com\nRegistry WHOIS: whois.jprs.jp\nQuery Time: Thu, 30 Apr 2026 10:00:01 +0000\n--------------------------------------------------\n\n[ JPRS database provides information on network administration. Its use is ]\r\n[ restricted to network administration purposes. For further information, ]\r\n[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]\r\n[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]\r\nDomain Information:\r\na. [Domain Name] SEIBII.CO.JP\r\ng. [Organization] Seibii, Inc\r\nl. [Organization Type] corporation\r\nm. [Administrative Contact] YS57663JP\r\nn. [Technical Contact] YS56856JP\r\np. [Name Server] barbara.ns.cloudflare.com\r\np. [Name Server] denver.ns.cloudflare.com\r\ns. [Signing Key] \r\n[State] Connected (2026/06/30)\r\n[Registered Date] 2019/06/12\r\n[Connected Date] 2019/06/12\r\n[Last Update] 2025/07/01 01:07:56 (JST)\n\n------------------------------\nAdministrative Contact Details\n------------------------------\n\nContact Information:\r\na. [JPNIC Handle] YS57663JP\r\nc. [Last, First] Sagawa, Yuu\r\nd. [E-Mail] [email protected]\r\ng. [Organization] Seibii, Inc\r\no. [TEL] \r\n[Last Update] 2019/08/20 12:46:19 (JST)\r\n [email protected]\n\n------------------------------\nTechnical Contact Details\n------------------------------\n\nContact Information:\r\na. [JPNIC Handle] YS56856JP\r\nc. [Last, First] Sagawa, Yuu\r\nd. [E-Mail] [email protected]\r\ng. [Organization] HeyWorld, Inc\r\no. [TEL] 09048239170\r\n[Last Update] 2019/06/12 10:43:48 (JST)\r\n [email protected]"
}<?xml version="1.0" encoding="UTF-8"?>
<root>
<status>1</status>
<domain_name>seibii.co.jp</domain_name>
<query_time>2026-04-30 10:00:01</query_time>
<domain_registered>yes</domain_registered>
<create_date>2019-06-12</create_date>
<update_date>2025-07-01</update_date>
<registrant_contact>
<company_name>Seibii, Inc</company_name>
</registrant_contact>
<administrative_contact>
<full_name>Yuu Sagawa</full_name>
<company_name>Seibii, Inc</company_name>
<email_address>[email protected]</email_address>
</administrative_contact>
<technical_contact>
<full_name>Yuu Sagawa</full_name>
<company_name>HeyWorld, Inc</company_name>
<email_address>[email protected]</email_address>
<phone_number>09048239170</phone_number>
</technical_contact>
<name_servers>
<value>barbara.ns.cloudflare.com</value>
<value>denver.ns.cloudflare.com</value>
</name_servers>
<raw_whois>--------------------------------------------------
Generator: x1.autowhois.com
Registry WHOIS: whois.jprs.jp
Query Time: Thu, 30 Apr 2026 10:00:01 +0000
--------------------------------------------------
[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information:
a. [Domain Name] SEIBII.CO.JP
g. [Organization] Seibii, Inc
l. [Organization Type] corporation
m. [Administrative Contact] YS57663JP
n. [Technical Contact] YS56856JP
p. [Name Server] barbara.ns.cloudflare.com
p. [Name Server] denver.ns.cloudflare.com
s. [Signing Key]
[State] Connected (2026/06/30)
[Registered Date] 2019/06/12
[Connected Date] 2019/06/12
[Last Update] 2025/07/01 01:07:56 (JST)
------------------------------
Administrative Contact Details
------------------------------
Contact Information:
a. [JPNIC Handle] YS57663JP
c. [Last, First] Sagawa, Yuu
d. [E-Mail] [email protected]
g. [Organization] Seibii, Inc
o. [TEL]
[Last Update] 2019/08/20 12:46:19 (JST)
[email protected]
------------------------------
Technical Contact Details
------------------------------
Contact Information:
a. [JPNIC Handle] YS56856JP
c. [Last, First] Sagawa, Yuu
d. [E-Mail] [email protected]
g. [Organization] HeyWorld, Inc
o. [TEL] 09048239170
[Last Update] 2019/06/12 10:43:48 (JST)
[email protected]</raw_whois>
</root>
Whois Lookup API
You can fetch the above results using our Whois Lookup API.
https://api.whoxy.com/?key=xxxxx&whois=seibii.co.jp
Whois API digs into WHOIS registry referral chains until the correct WHOIS servers are found, for the most complete WHOIS data.
Our WHOIS parser converts WHOIS data into well-structured fields (XML & JSON), which can easily be read by your application.
Whois API supports a total of 2026 Domain Extensions (gTLDs, ccTLDs & new gTLDs), ensuring all domains are supported.
Sample Output: JSON Schema • XML Schema • JSON Live Results • XML Live Results
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Who owned seibii.co.jp in the past? (2 records)
9 AUG 2022
Company: Seibii, Inc
Nameservers: ns-1188.awsdns-20.org, ns-1935.awsdns-49.co.uk, ns-310.awsdns-38.com, ns-990.awsdns-59.net
29 FEB 2024
Company: Seibii, Inc
Nameservers: barbara.ns.cloudflare.com, denver.ns.cloudflare.com UPDATED
Whois History API returns all the historical WHOIS records of a domain name. For more details, please visit https://www.whoxy.com/whois-history/