sierraspace.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 605 ms crawled 2026-05-07

US · 18.165.140.127 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Registration

Registrar

Nom-iq Ltd. dba COM LAUDE

Created

2006-03-09

Expires

2027-03-09 294 days left

Updated

2026-02-07

Name servers

nsgbr.comlaude.co.uk
nssui.comlaude.ch
nsusa.comlaude.net

DNS records live

NS

nsgbr.comlaude.co.uk
nssui.comlaude.ch
nsusa.comlaude.net

MX

0 sierraspace.mail.protection.office365.us

TXT

Show 9 TXT records

miro-verification=a093ad84674c8c9eda696296a0c186dea7c7899e
docker-verification=a6808d0c-ecda-4967-aea9-8f4e019c51bc
smartsheet-site-validation=7sYKk5Gir21Itqd4VdmD8U2iUdiTL8IR
bluebeam-verification=4qjsbh5lxt17ipfdhdek4luj3qbzos
adobe-idp-site-verification=277b898e49099b3c092f0d9fae7d5f11429ee75003dbdba4612210fd8b7fe427
MS=ms43277396
l25l5dldtvrkh4ng92c2fz8vccq5wc7q
google-site-verification=jkWD8Dm-E09MX1ZBT5dQhrJ9R_dk28wVXa_bv9dmSK8
ZOOM_verify_0GAaPrFAsBOZb4P1B1kHBh

Email authentication strong

SPF

v=spf1 +ip4:20.141.137.6 +ip4:35.208.169.23 +ip4:216.87.77.212 +ip4:216.87.77.217 include:amazonses.com include:mailgun.org include:_spf.mailspamprotection.com include:spf.protection.office365.us -all

strict (-all)

DMARC

v=DMARC1; p=none; fo=1; rua=mailto:cb0f781d@mxtoolbox.dmarc-report.com; ruf=mailto:cb0f781d@forensics.dmarc-report.com

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyg8cJMcbu+NKIe98DZ3HkOBTTnohY102r2lnG1khoJuajpiWWdY+Vrn8Zvw1kcQIWOmti+cWuz1Brv…

selectors probed

Certificate (current)

Amazon RSA 2048 M01

from 2026-03-19 to 2026-10-03

Expires in 137 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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