siderolabs.com

.com crawl

First seen 2026-04-29 · Last seen 2026-05-16 · ok HTTP/1.1 200 2658 ms crawled 2026-05-07

US · 216.150.1.1 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Simply Secure Kubernetes - Sidero Labs

Description

Sidero provides organizations with Talos Linux, the OS for Kubernetes, and Omni, the single pane of glass for enterprise-grade Kubernetes.

Language

Feeds

RSS RSS

Technology

CDN: Vercel
CMS: Next.js

Fonts

Google Fonts

Third-party hosts loaded (9)

cdn.sanity.io×3
fonts.googleapis.com×3
secure.gravatar.com×3
cdn-cookieyes.com×1
fonts.gstatic.com×1
forms.hsforms.com×1
js.hsforms.net×1
meetings.hubspot.com×1
static.hsappstatic.net×1

Social

Contact

Email

Phone

(888) 488-2567

Address

Calle Real #471Goleta CA 93117

Registration

Registrar

Squarespace Domains II LLC

Created

2021-04-15

Expires

2027-04-15 330 days left

Updated

2026-03-31

Name servers

ns-cloud-e1.googledomains.com
ns-cloud-e2.googledomains.com
ns-cloud-e3.googledomains.com
ns-cloud-e4.googledomains.com

DNS records live

NS

ns-cloud-e1.googledomains.com
ns-cloud-e2.googledomains.com
ns-cloud-e3.googledomains.com
ns-cloud-e4.googledomains.com

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

TXT

Show 6 TXT records

google-site-verification=gpPFQi-oTGp7byIOVAMxHuMedwEA53nGU4v2hiIjF3c
MS=495F7422ED17B038A5DFC3CAA9792884338812AE
stripe-verification=4FE9E57404E32064E9A7DE05BB626B119C53B842738A9D1DEDA527F8CFBF7F03
notion-domain-verification=66jSbpzvnGcnMQqvSJli1TGjsP7qTU8XLFvDtSKPt15
record:google-site-verification=Y1nMi8LrGE-p_EqNX9AZuATeJm4EZONFnrLzsU7gdHI
stripe-verification=1c78db3b6ffef36151fb9b9b38e31810d872d011914aac10e6457e0261cf7dc7

Email authentication strong

SPF

v=spf1 include:_spf.google.com include:5706104.spf01.hubspotemail.net -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiGPY/QAQGGHKftGUKbbLEhIYT9iXKoGYfMvPMi2kxwJ1QxrqX+tTGe7wFZ867i08XGjSwyFW68CJJX…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0wILSokDlTpYEiYba8j7EhiWRCE55iXmdHwOpeTPR/9G+OnjYwDlmVDkfATxzXUh/77DK02COcvpDLisgg…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1RWvKXDIpgoVH+2YhaC/Okvd2uorBvnrBc2j6wYd/HLHKXCDARWuF2IkwHzjwuyqunyHiTK+v+hicZ/NDn…

selectors probed

Certificate (current)

R13

from 2026-04-16 to 2026-07-15

Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.siderolabs.com/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: DENY
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload