21stcd.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP/1.1 200 200 ms crawled 2026-05-14

GB · 23.106.34.19 · AS205544 Leaseweb UK Limited

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title: Web Server's Default Page
Language: en

Technology

Server: nginx
CMS: Gatsby

Third-party hosts loaded (1)

assets.plesk.com×1

Registration

Registrar

PDR Ltd. d/b/a PublicDomainRegistry.com

Created

2000-05-12

Expires

2027-05-12 356 days left

Updated

2026-04-14

Name servers

colin.ns.cloudflare.com
miki.ns.cloudflare.com

DNS records live

NS

colin.ns.cloudflare.com
miki.ns.cloudflare.com

MX

0 aspmx.l.google.com
1 alt1.aspmx.l.google.com
1 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com

Email authentication weak

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

not published

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtuAUfAHpSbE/nBSWOurKzMmjZBSw2jL7XcOE5ABv5Zgwfp+qjUbVJkK5IEAcc0oxTHXd2rQFXVhAMD…

selectors probed

Certificate (current) wrong cert

from 2021-10-05 to 2022-01-03

Expired 1599 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://21stcd.com/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy