indexo.dev

tan8.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 14064 ms crawled 2026-05-19

CN · 47.111.2.68 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
《弹琴吧》官网tan8.com-钢琴谱大全，吉他谱大全，学钢琴，学吉他，就来弹琴吧弹吧
Description
弹琴吧tan8.com，中国的在线音乐兴趣教育社区，现注册用户突破100万。其音乐软件《弹琴吧》app、《钢琴谱大全》app和《吉他谱大全》app，安装量突破千万，好评如潮，小伙伴们快来加入吧。精选2万首iPhone/iPad/Android 钢琴谱,五线谱,乐谱,曲谱,免费下载,iPhone/iPad/Android版钢琴谱软件。

Technology

CMS
Gatsby

Third-party hosts loaded (1)

  • static.geetest.com×1

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2008-05-04
Expires
2027-05-04 349 days left
Updated
2022-12-27
Name servers
  • dns13.hichina.com
  • dns14.hichina.com

DNS records live

NS
  • dns13.hichina.com
  • dns14.hichina.com
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com
TXT
  • google-site-verification=fydFw0NfO1ty5Kxmumbz3LUiC2Ex7DbmTGS5Kr_Rlkk

Email authentication weak

SPF
v=spf1 include:spf.mail.qq.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-06-11 to 2026-06-11
Expires in 22 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.tan8.com/codeindex.php?d=web&c=index2025&m=index&instrumentType=1

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (2)

Linked from (2)