indexo.dev

tennis-jotatsu.com

.com crawl

First seen 2026-04-28 · Last seen 2026-05-18 · ok HTTP/1.1 200 3393 ms crawled 2026-05-06

JP · 202.233.66.150 · AS131965 Xserver Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
大人のテニス練習法を特別に公開します！
Description
**********
Language
ja

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • tennis-rise.jp×3
  • afc.progressmind.ne.jp×2
  • www.googletagmanager.com×2
  • www.facebook.com×1

Registration

Registrar
XServer, Inc.
Created
2021-10-03
Expires
2026-10-03 134 days left
Updated
2025-09-03
Name servers
  • ns1.xserver.jp
  • ns2.xserver.jp
  • ns3.xserver.jp
  • ns4.xserver.jp
  • ns5.xserver.jp

DNS records live

NS
  • ns1.xserver.jp
  • ns2.xserver.jp
  • ns3.xserver.jp
  • ns4.xserver.jp
  • ns5.xserver.jp
MX
  • 0 tennis-jotatsu.com
TXT
  • v=spf1 +a:sv12469.xserver.jp +a:tennis-jotatsu.com +mx include:myasp.jp ~all

Certificate (current)

R12
from 2026-03-07 to 2026-06-05
Expires in 15 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://tennis-jotatsu.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)