indexo.dev

yonwookorea.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-02 · ok HTTP/1.1 200 1586 ms crawled 2026-05-06

KR · 203.245.24.66 · AS4766 Korea Telecom

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server
nginx

Registration

Registrar
Inames Co., Ltd.
Created
2000-02-17
Expires
2027-02-17 273 days left
Updated
2023-11-29
Name servers
  • ns14.dnszi.com
  • ns5.dnszi.com

DNS records live

NS
  • ns14.dnszi.com
  • ns31.dnszi.com
  • ns44.dnszi.com
  • ns5.dnszi.com
  • ns86.dnszi.com
MX
  • 10 spam.kolmar.co.kr
  • 5 spam.kolmar.co.kr
TXT
  • MS=ms67098178

Email authentication partial

SPF
v=spf1 ip4:203.245.24.66 ip4:218.238.95.71 ip4:218.238.95.72 ip4:218.238.95.73 ip4:222.100.204.0/24 include:spf.protection.outlook.com
no all qualifier
DMARC
not published
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA009VJR7OXrA+xbfCZkeewixqXekpPX2Ntf8pNUmQHiTnpFiHrj051LaVIO4DCtAJlVSjfX3lFVUXMQoziB…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCvH2priN7iqtzsOI+5LHfiozSQzUwXMwnlndjkm+TS2mVl6iCF+8CN+aPtzXT5x2MdJIQmnatBgkiwyWc8IN6YqV…
selectors probed

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA
from 2025-07-15 to 2026-07-16
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (1)