indexo.dev

ysedu.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 692 ms crawled 2026-05-07

CN · 123.57.158.225 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
Welcome to nginx!

Technology

Server
nginx

Registration

Registrar
eName Technology Co., Ltd.
Created
2011-05-01
Expires
2027-05-01 346 days left
Updated
2026-02-27
Name servers
  • f1g1ns1.dnspod.net
  • f1g1ns2.dnspod.net

DNS records live

NS
  • f1g1ns1.dnspod.net
  • f1g1ns2.dnspod.net
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com

Email authentication partial

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

Encryption Everywhere DV TLS CA - G2
from 2026-04-10 to 2026-07-09
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://ysedu.com/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (2)