markforcolorado.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP 200 4381 ms crawled 2026-05-14

US · 104.21.51.133 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Registration

Registrar

GoDaddy.com, LLC

Created

2017-07-03

Expires

2026-07-03 45 days left

Updated

2026-04-28

Name servers

kenia.ns.cloudflare.com
sam.ns.cloudflare.com

DNS records live

NS

kenia.ns.cloudflare.com
sam.ns.cloudflare.com

MX

10 mx.stackmail.com

Email authentication weak

SPF: v=spf1 include:spf.stackmail.com a mx -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-04-28 to 2026-07-27

Expires in 69 days

Full certificate history on crt.sh ↗

Linked from (8)