longcai.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-18 · ok HTTP/1.1 200 2280 ms crawled 2026-05-10

CN · 222.171.249.198 · AS4134 Chinanet

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: 龙采科技集团有限责任公司
Description: 龙采科技集团有限责任公司

Technology

Server: nginx

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2002-01-30

Expires

2027-01-30 256 days left

Updated

2019-07-12

Name servers

f1g1ns1.dnspod.net
f1g1ns2.dnspod.net

DNS records live

NS

f1g1ns1.dnspod.net
f1g1ns2.dnspod.net

MX

10 mxbiz2.qq.com
5 mxbiz1.qq.com

TXT

Show 4 TXT records

383613155-36752737
_od9dgbqijp1vcdl2vvwpopho2kqt04n
j49j44cpcl2w4cxzqpgpxzc6vv13tqx6
xp3ks4fzdtdvm57s9g29qfjmk6gvq4gv

Email authentication weak

SPF: v=spf1 include:spf.mail.qq.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Certum DV TLS G2 R39 CA

from 2026-02-05 to 2027-03-07

Expires in 292 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://longcai.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