f1v.co

.co crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 1008 ms crawled 2026-05-12

US · 13.33.235.55 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: F1V Javascript Consultancy

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

DNS records live

NS

ns-1464.awsdns-55.org
ns-1994.awsdns-57.co.uk
ns-491.awsdns-61.com
ns-592.awsdns-10.net

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.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=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2UUqni1K1eyTTi3HhKBnCi/DlA73Y+n3l7VfNRn1Kf2c2VXN8yw0aYoMYUnCtThOEqRpDuEv/+5OOx…

selectors probed

Certificate (current)

Amazon RSA 2048 M02

from 2025-08-04 to 2026-09-02

Expires in 106 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://f1v.co/

findings

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

Linked from (1)

dgevents.com×2