itheima.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1769 ms crawled 2026-05-18

CN · 223.5.179.239 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server: Tengine

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2011-05-13

Expires

2031-05-13 1819 days left

Updated

2025-10-22

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

CNAME

fuwlgqhpgjcoq1patcclroqcoogowm3e.yundunwaf4.com

TXT

Show 4 TXT records

2018061801281301z7xtwdnff7yewajf5acijzbfdfw8s5921iq2v2tr2e282wba
_7rzx7r17fg2xsg84997lj86dq20vx4h
_a924fymy5nxmvoa065b0fyqix85tpf2
https://issues.sonatype.org/browse/OSSRH-79288

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)

GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1

from 2026-03-03 to 2026-09-18

Expires in 121 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://itheima.com/

findings

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

Linked from (23)