dusays.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-15 · ok HTTP/1.1 200 3317 ms crawled 2026-05-08

CN · 82.157.205.203 · AS45090 Shenzhen Tencent Computer Systems Company Limited

Reputation 100/100

Classifying

HTML metadata

Title

杜老师说

Description

云计算运维讲师杜老师私人技术博客，主要分享一些运维技术、经验；本博客每三天更新，欢迎订阅。

Language

zh-CN

Generator

Hexo 8.1.1

Canonical

https://dusays.com/

Feeds

杜老师说 Atom

Open Graph

url: https://dusays.com/
title: 杜老师说
locale: zh_CN
site name: 杜老师说
description: 云计算运维讲师杜老师私人技术博客，主要分享一些运维技术、经验；本博客每三天更新，欢迎订阅。

Technology

Server: openresty

Third-party hosts loaded (3)

jsd.admincdn.com×15
api.iconify.design×1
birdteam.net×1

Social

Registration

Registrar

DNSPod, Inc.

Created

2019-06-21

Expires

2034-02-20 2834 days left

Updated

2026-01-23

Name servers

ns3.dnsv2.com
ns4.dnsv2.com

DNS records live

NS

ns3.dnsv2.com
ns4.dnsv2.com

Email authentication no MX

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

Certificate (current)

SSL.com RSA SSL subCA

from 2026-03-14 to 2026-09-28

Expires in 132 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://dusays.com/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=31536000; includeSubDomains