indexo.dev

wenlinshangdian.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1965 ms crawled 2026-05-18

US · 172.241.24.147 · AS394380 Leaseweb USA, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Wenlin Institute Store
Description
Wenlin Software for Learning Chinese
Language
en

Technology

Server
nginx
CMS
Gatsby

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2010-03-30
Expires
2028-03-30 680 days left
Updated
2026-03-31
Name servers
  • ns1.us.opalstack.com
  • ns2.us.opalstack.com
  • ns3.us.opalstack.com

DNS records live

NS
  • ns1.us.opalstack.com
  • ns2.us.opalstack.com
  • ns3.us.opalstack.com
MX
  • 10 mx1.us.opalstack.com
  • 10 mx2.us.opalstack.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:spf.opalstack.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI9x3jZESX0cWX5YdarBRZXUuNWCeHCBTzjQk7vpJUuH19C+3HjUpcdhZWY8Pnlitg6xAIxgUum/WmrOTIuF…
selectors probed

Certificate (current)

R13
from 2026-03-14 to 2026-06-12
Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://wenlinshangdian.com/

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

Links to (8)

Linked from (1)