indexo.dev

yitongfeng.com

.com crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 1938 ms crawled 2026-05-15

US · 172.67.211.24 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Yitong Feng
Description
Illustration portfolio — Berlin-based illustrator | Illustrationsportfolio — Illustratorin in Berlin
Language
en

Technology

CDN
Vercel
CMS
Next.js

Social

Registration

Registrar
Cloudflare, Inc.
Created
2025-06-29
Expires
2027-06-29 405 days left
Updated
2025-12-10
Name servers
  • agustin.ns.cloudflare.com
  • millie.ns.cloudflare.com

DNS records live

NS
  • agustin.ns.cloudflare.com
  • millie.ns.cloudflare.com
MX
  • 10 eforward1.registrar-servers.com
  • 10 eforward2.registrar-servers.com
  • 10 eforward3.registrar-servers.com
  • 15 eforward4.registrar-servers.com
  • 20 eforward5.registrar-servers.com

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-07 to 2026-07-06
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.yitongfeng.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=63072000

Links to (2)

Linked from (1)