indexo.dev

seido.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 8575 ms crawled 2026-05-08

US · 198.185.159.144 · AS53831 Squarespace, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
NYC Martial Arts - World Seido Karate
Description
World Seido Karate is an international martial arts organization headquartered in New York City. Focused on discipline, respect, and personal development, World Seido Karate offers traditional training rooted in technique, strength, and philosophy, supporting students of all ages on their martial arts journey.
Language
en-US
Canonical
https://www.seido.com

Open Graph

url
https://www.seido.com
title
NYC Martial Arts - World Seido Karate
site name
World Seido Karate
description
World Seido Karate is an international martial arts organization headquartered in New York City. Focused on discipline, respect, and personal development, World Seido Karate offers traditional training rooted in technique, strength, and philosophy, supporting students of all ages on their martial ar

Technology

Server
Squarespace
CMS
Squarespace
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
Third-party hosts loaded (7)
  • images.squarespace-cdn.com×25
  • definitions.sqspcdn.com×19
  • assets.squarespace.com×14
  • static1.squarespace.com×5
  • use.typekit.net×2
  • www.googletagmanager.com×2
  • p.typekit.net×1

Social

Contact

Email
Phone

Registration

Registrar
Network Solutions, LLC
Created
1996-06-17
Expires
2030-06-16 1487 days left
Updated
2024-08-30
Name servers
  • connect1.squarespacedns.com
  • connect2.squarespacedns.com

DNS records live

NS
  • dns1.p07.nsone.net
  • dns2.p07.nsone.net
  • dns3.p07.nsone.net
  • dns4.p07.nsone.net
  • ns01.squarespacedns.com
  • ns02.squarespacedns.com
  • ns03.squarespacedns.com
  • ns04.squarespacedns.com
MX
  • 20 mx1.biz.mail.yahoo.com
  • 30 mx5.biz.mail.yahoo.com
Verified for
  • Google

Email authentication weak

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

Certificate (current)

R12
from 2026-03-30 to 2026-06-28
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.seido.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • weak frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN, SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=15552000

Links to (5)

Linked from (1)