indexo.dev

perfectlingo.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1162 ms crawled 2026-05-19

CN · 120.131.12.218 · AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd

Reputation 95/100 weak security headers

Classifying

HTML metadata

Description
全球首款真人实景视频背单词软件，好莱坞演员免费带你浸泡北美语境。单词拼读拆解、实景例句互动、真题考义加强记….学一遍顶三遍，背单词也能打好听口基础。 万词王，用科技让所有人真正掌握英语本领。
Language
en

Technology

Server
nginx

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2011-06-04
Expires
2027-06-04 380 days left
Updated
2025-09-17
Name servers
  • dns23.hichina.com
  • dns24.hichina.com

DNS records live

NS
  • dns23.hichina.com
  • dns24.hichina.com

Email authentication no MX

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

Certificate (current)

RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
from 2020-10-10 to 2021-10-11
Expired 1681 days ago

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)