seinjs.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 435 ms crawled 2026-05-31

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Sein.js
Description: 渐进式Web3D游戏引擎。
Language: en

Technology

CDN: Fastly
Server: GitHub.com

Third-party hosts loaded (1)

gw.alipayobjects.com×5

Registration

Registrar

NameCheap, Inc.

Created

2019-03-22

Expires

2027-03-22 293 days left

Updated

2026-02-23

Name servers

f1g1ns1.dnspod.net
f1g1ns2.dnspod.net

DNS records live

NS

f1g1ns1.dnspod.net
f1g1ns2.dnspod.net

Email authentication no MX

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

Certificate (current)

R12

from 2026-04-23 to 2026-07-22

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://seinjs.com/

findings

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

Linked from (23)