as-tetra.info

.info crawl

First seen 2026-04-25 · Last seen 2026-05-18 · ok HTTP/1.1 200 1309 ms crawled 2026-05-18

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: art space tetra
Description: art space tetra is an alternative space in Japan, since 2004.

Technology

CDN: Fastly
Server: GitHub.com

Third-party hosts loaded (3)

ajax.googleapis.com×1
kit.fontawesome.com×1
www.google.com×1

Social

Registration

Registrar

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

Created

2004-01-19

Expires

2027-01-19 244 days left

Updated

2026-01-10

Name servers

ns3.value-domain.com
ns1.value-domain.com
ns2.value-domain.com
ns4.value-domain.com
ns5.value-domain.com

DNS records live

NS

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

MX

Show 7 MX records

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
10 aspmx4.googlemail.com
10 aspmx5.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Email authentication weak

SPF: v=spf1 include:aspmx.googlemail.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-19 to 2026-07-18

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.as-tetra.info/

findings

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

Links to (4)

Linked from (1)

rienakajima.com×2