indexo.dev

nikkangolf.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2122 ms crawled 2026-05-18

JP · 203.137.115.42 · AS4694 IDC Frontier Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
日刊ゴルフイベント2026
Description
日刊スポーツホールディングス主催、日刊アマゴルフ大会情報

Technology

Server
Apache
Social widgets
  • Twitter Widget

Third-party hosts loaded (1)

  • platform.twitter.com×1

Social

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2006-10-03
Expires
2026-10-03 135 days left
Updated
2025-09-17
Name servers
  • 01.dnsv.jp
  • 02.dnsv.jp

DNS records live

NS
  • 01.dnsv.jp
  • 02.dnsv.jp
  • 03.dnsv.jp
  • 04.dnsv.jp
MX
  • 100 mail.nikkangolf.com
  • 100 nikkangolf.com

Email authentication weak

SPF
v=spf1 ip4:203.137.115.42 include:_spf.google.com +a +mx ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-30 to 2026-07-29
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://nikkangolf.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)