opalstacked.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-19 · ok HTTP/1.1 200 1730 ms crawled 2026-05-10

US · 142.91.170.38 · AS7203 Leaseweb USA, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

sector other type parked

Technology

Server: nginx

Registration

Registrar

NameCheap, Inc.

Created

2019-02-05

Expires

2030-02-05 1356 days left

Updated

2024-04-20

Name servers

ns1.us.opalstack.com
ns2.us.opalstack.com
ns3.us.opalstack.com

DNS records live

NS

ns1.us.opalstack.com
ns2.us.opalstack.com
ns3.us.opalstack.com

MX

10 mx1.us.opalstack.com
10 mx2.us.opalstack.com

Email authentication partial

SPF

v=spf1 include:spf.opalstack.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaGcbEN4JtKCzAd5sgJBGx1t31QZBSHpmZes5EMBHyMQQ9Y7hRb4REhnFleEv+FhzKzJq1Yu6x6p7NhRGVve…

selectors probed

Certificate (current)

R13

from 2026-04-26 to 2026-07-25

Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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