indexo.dev

bd4sur.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 1562 ms crawled 2026-05-16

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
BD4SUR 业余无线电台
Language
zh-CN

Technology

CDN
Fastly
Server
GitHub.com

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2021-01-31
Expires
2030-01-31 1352 days left
Updated
2026-01-06
Name servers
  • vip1.alidns.com
  • vip2.alidns.com

DNS records live

NS
  • vip1.alidns.com
  • vip2.alidns.com
CNAME
  • bd4sur.github.io

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://bd4sur.com/

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

Linked from (1)