Sangakukan.jp ranking shows that the page is at position 125,637 over the world.
Sangakukan.jp boasts a link base consisting of 232 referring domains and 272 external backlinks, as revealed by the data obtained from web network scanning.
Sangakukan.jp top-level domain belongs to .JP domain zone. Check other webpages in .JP zone.
According the last verification test in January 31, 2026, sangakukan.jp has an invalid SSL certificate. Click button “Update” SSL Information at the Safety Information section.
Based on data from Google Safe Browsing, Symantec and Web of Trust sangakukan.jp is a fairly safe domain.
According the Mobile-Friendly test by Google sangakukan.jp is nice optimized for mobile devices and tablets, however the webpage speed could be improved.





| Domain | Unknown |
| Issuer Organization | Unknown |
| Issuer | Unknown |
| Algorithm | Unknown |
| Valid form | Unknown |
| Expiration | Unknown |
| Signed | No information |
| Additional Domains |
Alexa Rank shows how popular sangakukan.jp is in comparison with other sites. The most popular site has Alexa Rank equals 1. If sangakukan.jp 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 sangakukan.jp and pageviews on sangakukan.jp over the past 3 months.
ASN ID: 2513
ASN Title: JST Japan Science and Technology Agency, JPLast Update: 08/28/2018
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS2497 - AS2528'
as-block: AS2497 - AS2528
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:29Z
source: APNIC
role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC
% Information related to 'AS2513'
aut-num: AS2513
as-name: JST
descr: Japan Science and Technology Agency
import: from AS2907 100 accept ANY
import: from AS2519 100 accept ANY
export: to AS2907 announce AS2513
export: to AS2519 announce AS2513
country: JP
admin-c: JP00131210
tech-c: JP00131210
last-modified: 2016-05-30T20:17:03Z
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)
[ 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: [ドメイン情報]
[Domain Name] SANGAKUKAN.JP
[登録者名] 国立研究開発法人 科学技術振興機構
[Registrant] Japan Science and Technology Agency
[Name Server] ns3.sphere.ad.jp
[Name Server] ns4.sphere.ad.jp
[Signing Key]
[登録年月日] 2004/09/28
[有効期限] 2025/09/30
[状態] Active
[最終更新] 2024/10/01 01:05:03 (JST)
Contact Information: [公開連絡窓口]
[名前] 中村宏、国立研究開発法人科学技術振興機構
[Name] Atsuya Yamashita,Japan Science and Technology Agency
[Email] hnakamur@jst.go.jp
[Web Page]
[郵便番号] 102-0076
[住所] 東京都千代田区五番町7
[Postal Address] Tokyo
Gobanchou 7,Chiyoda-ku,Tokyo,Japan
[電話番号] 0352147993
[FAX番号] 0352148399
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|
| Host | TXT Record | TTL |
|---|
Last tested: 08/17/2015

| Total Resources | 111 |
| Number of Hosts | 2 |
| Static Resources | 88 |
| JavaScript Resources | 5 |
| CSS Resources | 6 |
Last tested: 08/17/2015


| Total Resources | 111 |
| Number of Hosts | 2 |
| Static Resources | 88 |
| JavaScript Resources | 5 |
| CSS Resources | 6 |