classi.jp
Classi（クラッシー） - 学校教育のICT活用を支援するクラウドサービス

 Classiは、学校のICT化を多角的にサポートする教育プラットフォームです。PCやタブレット、スマートフォンにも対応し、中学校、高校、専門学校など多くの教育現場で活用されています。

Technical Rating

 XSS attack - not protected. HTTP header "X-XSS-Protection" not found

 User Interface redress attack - not protected. HTTP header "X-Frame-Options" not found

 HTTP request response - 200

 HTTPS request response - 200

 Redirect from HTTP to HTTPS

iHTTP redirect: https://classi.jp/

 Server response time 0,743 sec

 HTML load time 0,447 sec

iHTML length: 40552

 A link to a favicon is specified

iNumber of IMGs: 37

 The ALT attribute is set for all IMGs

 Adapted for mobile devices. It uses the VIEWPORT tag

 W3C Validation. Number of HTML errors: 4

 W3C Validation. Number of HTML warnings: 3

 Uses robots.txt

 Uses sitemap

 DNS MX record is available. Anti-spam DMARC and ADSP records are available

Exact physical location of Classi.jp

iUS Seattle Amazon Web Services, Inc.

Technical Information

iServer: AmazonS3

iIPv4: 99.86.4.61,   99.86.4.38,   99.86.4.93,   99.86.4.62

iDNS TXT Records: "06bd464f75d64dc6179dab95027b53d1.classi.jp"
"MS=ms55578171"
"_globalsign-domain-verification=AD80pzlvKIhNUNW1RZ_rNDUC12JQA-HXLT_MexaH7q"
"_globalsign-domain-verification=IAUwLhM-buCyMVGTwQEv3FTIfDpPP4XnL04LeC1lH3"
"_globalsign-domain-verification=SqLVYR0ufBh26gG0c6QsHkbtSsxbDDPhn9kOnvT_1U"
"_globalsign-domain-verification=rtgErjb9iSXmLm1vs_dtotuk1MSlLXTI2gknx7HJPi"
"_globalsign-domain-verification=vASFWbQtddtc8NboRB8yNjidDiVC3xGs9fBMwKEX9d"
"atlassian-domain-verification=GUTwM8+pkYzE7PxWr4Mt2OPa6y/0iPsSm6EgCVayojOIal8eajj/leyAoH1j1hJD"
"globalsign-domain-verification=RVglUB17JuY-JVyaiOKPhBwNekJNQO5uMFAE0FjyI9"
"globalsign-domain-verification=ViNxjJsl6FQPtkDgw0kkDe5AhUz8l4nJzGfXB2oXi4"
"google-site-verification=NVIcte1Ir12EcnZoaVpM3lqcMzTkYSYjtpq7RfLn4D8"
"jigli0qidf56secm9l257qo1p8"
"pardot768793=507ad4f9fff04112c049cc90b71985042b30acf0652b0d625a7ca9470f5b720d"
"v=spf1 ip4:52.192.154.49 include:amazonses.com include:_spf.google.com include:aspmx.pardot.com include:spf.ecbeing.co.jp ~all"

iDNS Mail Records: 1 aspmx.l.google.com.,   10 aspmx2.googlemail.com.,   10 aspmx3.googlemail.com.,   5 alt1.aspmx.l.google.com.,   5 alt2.aspmx.l.google.com.

iDMARC Mail Anti Spam Records: 99.86.4.62,   99.86.4.93,   99.86.4.38,   99.86.4.61

iAuthor Domain Signing Practices Mail Records: 99.86.4.38,   99.86.4.93,   99.86.4.62,   99.86.4.61

iRaw DNS Information

A: 99.86.4.61
A: 99.86.4.38
A: 99.86.4.93
A: 99.86.4.62

TXT: "06bd464f75d64dc6179dab95027b53d1.classi.jp"
TXT: "MS=ms55578171"
TXT: "_globalsign-domain-verification=AD80pzlvKIhNUNW1RZ_rNDUC12JQA-HXLT_MexaH7q"
TXT: "_globalsign-domain-verification=IAUwLhM-buCyMVGTwQEv3FTIfDpPP4XnL04LeC1lH3"
TXT: "_globalsign-domain-verification=SqLVYR0ufBh26gG0c6QsHkbtSsxbDDPhn9kOnvT_1U"
TXT: "_globalsign-domain-verification=rtgErjb9iSXmLm1vs_dtotuk1MSlLXTI2gknx7HJPi"
TXT: "_globalsign-domain-verification=vASFWbQtddtc8NboRB8yNjidDiVC3xGs9fBMwKEX9d"
TXT: "atlassian-domain-verification=GUTwM8+pkYzE7PxWr4Mt2OPa6y/0iPsSm6EgCVayojOIal8eajj/leyAoH1j1hJD"
TXT: "globalsign-domain-verification=RVglUB17JuY-JVyaiOKPhBwNekJNQO5uMFAE0FjyI9"
TXT: "globalsign-domain-verification=ViNxjJsl6FQPtkDgw0kkDe5AhUz8l4nJzGfXB2oXi4"
TXT: "google-site-verification=NVIcte1Ir12EcnZoaVpM3lqcMzTkYSYjtpq7RfLn4D8"
TXT: "jigli0qidf56secm9l257qo1p8"
TXT: "pardot768793=507ad4f9fff04112c049cc90b71985042b30acf0652b0d625a7ca9470f5b720d"
TXT: "v=spf1 ip4:52.192.154.49 include:amazonses.com include:_spf.google.com include:aspmx.pardot.com include:spf.ecbeing.co.jp ~all"

MX: 1 aspmx.l.google.com.
MX: 10 aspmx2.googlemail.com.
MX: 10 aspmx3.googlemail.com.
MX: 5 alt1.aspmx.l.google.com.
MX: 5 alt2.aspmx.l.google.com.

DMARC: 99.86.4.62
DMARC: 99.86.4.93
DMARC: 99.86.4.38
DMARC: 99.86.4.61

ADSP: 99.86.4.38
ADSP: 99.86.4.93
ADSP: 99.86.4.62
ADSP: 99.86.4.61

The popularity of the site

iHow many links to Classi.jp on the Internet: 1386