zhongzhengguolu.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 10825 ms crawled 2026-05-07

CN · 193.112.50.236 · AS45090 Shenzhen Tencent Computer Systems Company Limited

Reputation 100/100

sector b2b services type homepage

HTML metadata

Title: 燃油锅炉-蒸汽锅炉-供暖锅炉[型号-厂家-价格]-中正燃油锅炉公司
Description: 无锡中正锅炉有限公司专业生产燃油锅炉、导热油锅炉、天然气锅炉等系列产品，主要产品有WNS燃油锅炉、SZS燃油锅炉、RYQ系列熔盐炉、YYQ导热油锅炉等型号，提供锅炉的最新报价服务，燃油锅炉电话：13506151202。
Language: en

Technology

Server: nginx

Third-party hosts loaded (3)

wt.zoosnet.net×2
api.dabai.com×1
s9.cnzz.com×1

Contact

Phone

Registration

Registrar

Xin Net Technology Corporation

Created

2018-05-10

Expires

2027-05-10 354 days left

Updated

2026-04-25

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)

R13

from 2026-05-02 to 2026-07-31

Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.zhongzhengguolu.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