sekkaku.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 3096 ms crawled 2026-05-18

JP · 153.127.13.51 · AS7684 SAKURA Internet Inc.

Reputation 100/100

Classifying

HTML metadata

Title: せっかくネット
Description: せっかくネットの日本語ドメイン用プレビューサイトです。メインページへお進み頂く為の入り口です。
Language: ja-JP
Canonical: https://sekkaku.net/

Technology

Server: Apache

Registration

Registrar

GMO Internet Group, Inc. d/b/a Onamae.com

Created

1999-08-24

Expires

2027-08-24 460 days left

Updated

2022-04-28

Name servers

ns1.dns.ne.jp
ns2.dns.ne.jp

DNS records live

NS

ns1.dns.ne.jp
ns2.dns.ne.jp

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Verified for

Google

Email authentication strong

SPF

v=spf1 a mx ip4:153.127.12.100 ip4:153.127.16.89 ip6:2401:2500:204:1104:153:127:12:100 ip6:2401:2500:204:1106:153:127:16:89 include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc_reports@koki.sekkaku.net;

policy: quarantine

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFl12aGvKJQtOwe+m9MRTl6mz8KkqKFyTkO/BkhJv4eWQIvriw0hsdLbgTbILHbGk0IjJiAypbhZ9r1R5835…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzOmF9hhLi9UWWDL4wywL4c1ePmYyo2LrQa5ikTGTo1gCU/pHYwKse/MuojwzluE4uxUNoTKY1bPOLEV+TW…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8O/nvtLTEWQiQXKadzFOM0ZVxFegap8AQ68FmrmXlvtWdrekkJjfScjmxqdYcheg4WBjHAQM3kPialrBNo…

selectors probed

Certificate (current)

from 2026-04-30 to 2026-07-29

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://sekkaku.net/

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=315360000;

Links to (1)

kokokki.com×4