yoyohb.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 1900 ms crawled 2026-05-08

CN · 122.114.59.18 · AS4837 CHINA UNICOM China169 Backbone

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: SCR脱硝设备_苏州优悠环保科技有限公司
Description: 苏州优悠环保公司是脱硝设备,SCR/SNCR脱硝工程,SCR脱硝系统,NOx氮氧化物处理设备,锅炉,加热炉,热处理炉,发电机组等尾气脱硝系统的设计生产厂家,电话: 13912738403.

Technology

Server: wits

Registration

Registrar

Chengdu West Dimension Digital Technology Co., Ltd.

Created

2018-11-21

Expires

2026-11-21 185 days left

Updated

2025-11-03

Name servers

ns3.myhostadmin.net
ns4.myhostadmin.net

DNS records live

NS

ns1.myhostadmin.net
ns2.myhostadmin.net
ns3.myhostadmin.net
ns4.myhostadmin.net
ns5.myhostadmin.net
ns6.myhostadmin.net

MX

10 mxw.mxhichina.com
5 mxn.mxhichina.com

TXT

google-site-verification=cutsTPyoCDb0MhOqdXlmzuH66FwYB4moxN70aqBYYZ8

Email authentication weak

SPF: v=spf1 include:spf.mxhichina.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

TLC DV TLS CA

from 2025-11-18 to 2026-11-18

Expires in 182 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://yoyohb.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=63072000