indexo.dev

17dc.com

.com crawl

First seen 2026-04-26 · Last seen 2026-05-16 · ok HTTP/1.1 200 1339 ms crawled 2026-05-20

CN · 81.69.226.130 · AS45090 Shenzhen Tencent Computer Systems Company Limited

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Document
Language
en

Technology

Server
Tengine

Third-party hosts loaded (1)

  • www.feeair.com×1

Registration

Registrar
DNSPod, Inc.
Created
2013-08-16
Expires
2031-08-16 1913 days left
Updated
2022-06-28
Name servers
  • opponent.dnspod.net
  • vela.dnspod.net

DNS records live

NS
  • opponent.dnspod.net
  • vela.dnspod.net
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com

Email authentication weak

SPF
v=spf1 include:spf.mail.qq.com ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+l…
selectors probed

Certificate (current)

TrustAsia DV TLS RSA CA 2025
from 2026-05-11 to 2026-08-09
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://17dc.com/

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

Links to (7)

Linked from (1)