jsonlines.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 346 ms crawled 2026-05-06

US · 104.21.44.235 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: JSON Lines
Language: en

Technology

CDN: Cloudflare

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×1

Social

Contact

Phone

2025-12-02 16

Registration

Registrar

Rebel Ltd

Created

2013-10-02

Expires

2026-10-02 135 days left

Updated

2025-11-16

Name servers

greg.ns.cloudflare.com
ryleigh.ns.cloudflare.com

DNS records live

NS

greg.ns.cloudflare.com
ryleigh.ns.cloudflare.com

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-18 to 2026-07-17

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://jsonlines.org/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff