byjack.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 3898 ms crawled 2026-05-08

CA · 23.227.38.70 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

ecommerce

HTML metadata

Title: By Jack - Purveyors of quality merchandise
Description: Custom and comfy apparel, created for you. No minimum order quantity, one of a kind designs.
Language: en
Canonical: https://www.byjack.com/

Open Graph

url: https://www.byjack.com/
title: By Jack - Purveyors of quality merchandise
site name: By Jack
description: Custom and comfy apparel, created for you. No minimum order quantity, one of a kind designs.

Technology

CDN: Cloudflare
CMS: Shopify

Social widgets

YouTube Embed

Third-party hosts loaded (5)

cdn.shopify.com×2
shop.app×2
fonts.shopifycdn.com×1
monorail-edge.shopifysvc.com×1
www.youtube.com×1

Social

Registration

Registrar

Tucows Domains Inc.

Created

2003-09-10

Expires

2026-09-10 114 days left

Updated

2025-08-27

Name servers

ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com

DNS records live

NS

ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com

MX

10 mx.zoho.com
20 mx2.zoho.com
50 mx3.zoho.com

Email authentication partial

SPF: v=spf1 include:zoho.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none; rua=mailto:dmarc@byjack.com; ruf=mailto:dmarc@byjack.com; sp=none; adkim=r; aspf=r
policy: none (monitoring only) · sp=none
DKIM: no key found at common selectors

Certificate (current)

from 2026-03-30 to 2026-06-28

Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.byjack.com/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options

findings

short HSTS max-age
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: block-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests;
strict-transport-security: max-age=7889238