bestblacklist.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1664 ms crawled 2026-05-18

US · 144.202.111.172 · AS20473 The Constant Company, LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: bestblacklist.com - Home
Description: The best blacklist available for intrusion protection. Available for routers, firewalls and Wordpress, Microsift IIS, Nginx, and Apache based web servers.
Language: en

Open Graph

url: https://blackhole.27labs.com
title: 27LABS - Black Hole Project
site name: My Site Name
description: Our Black Hole Project is a highly accurate curated list of internet abusers and bad actors. It is available in a variety of formats for use with internet servers, routers and firewalls.

Technology

Server: nginx

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×6
www.27labs.com×3
27labs.com×2
www.googletagmanager.com×1

Registration

Registrar

NameCheap, Inc.

Created

2021-06-20

Expires

2026-06-20 32 days left

Updated

2025-05-21

Name servers

ns1.vultr.com
ns2.vultr.com

DNS records live

NS

ns1.vultr.com
ns2.vultr.com

TXT

google-site-verification=3SBYnirLfSe4-dMQVeSDSm7qSi2rSOuGw9zb8Hi89Ms

Email authentication no MX

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

Certificate (current)

R12

from 2026-04-27 to 2026-07-26

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://bestblacklist.com/

findings

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

Links to (1)

27labs.com×6