prontobb.net

.net dns

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 1001 ms crawled 2026-06-01

JP · 153.120.42.203 · AS7684 SAKURA Internet Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Domain Default page
Language: en

Technology

Server: Apache
CMS: Gatsby

Third-party hosts loaded (1)

assets.plesk.com×1

Social

Registration

Registrar

XServer, Inc.

Created

2004-03-04

Expires

2027-03-04 272 days left

Updated

2026-02-25

Name servers

dns2.prontonet.ne.jp
ns21.prontobb.net

DNS records live

NS

dns2.prontonet.ne.jp
ns21.prontobb.net

MX

10 mail.prontobb.net

Verified for

Google

Email authentication strong

SPF

v=spf1 +ip4:153.120.42.203 +a +mx +a:ns21.prontobb.net ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; aspf=s; adkim=s

policy: quarantine

DKIM

default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyExn4wsljJvS4KVQja03FOMnAaVw7LMpKTqB/iyS1lHrCwUARdzprOgZ3MfWTgBBWxVRnol/oycIzUEu+Nlqn…

selectors probed

Certificate (current)

R12

from 2026-04-23 to 2026-07-22

Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://prontobb.net/

findings

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