263.net

.net crawl dns

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 6167 ms crawled 2026-05-18

CN · 8.141.17.31 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: 企业邮箱_智能客服-263云通信
Description: 北京二六三企业通信有限公司（简称263云通信），28年深耕企业通信服务领域，是国内资深的企业级数智通信服务商,为15万+企业提供在线沟通、呼叫中心、高清视频实时直播等多元数智通信服务。

Technology

Server: nginx

Contact

Phone

Registration

Registrar

Xiamen 35.com Information Co., Ltd.

Created

1998-05-14

Expires

2027-05-13 358 days left

Updated

2025-04-07

Name servers

ns.capital-online.com.cn
ns3.capital-online.com.cn
ns4.capital-online.com.cn
ns5.capital-online.com.cn

DNS records live

NS

ns.capital-online.com.cn
ns3.capital-online.com.cn
ns4.capital-online.com.cn
ns5.capital-online.com.cn

MX

10 mx.263.net
5 mxw.263.net

TXT

google-site-verification=SrUe348kKoS7bNnizXtjANR69xLEmj_bP9f_UyY9c4E

Email authentication partial

SPF: v=spf1 include:spf.263.net -all
strict (-all)
DMARC: v=DMARC1;p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

GlobalSign RSA OV SSL CA 2018

from 2026-01-05 to 2027-02-06

Expires in 262 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.263.net/

present

content-security-policy
x-content-type-options

findings

missing HSTS
CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
content-security-policy: script-src * 'unsafe-inline' 'unsafe-eval' 'self' *.263.net