casper.com

HTML metadata

Title: The Best Bed for Better Sleep | Casper Online Mattress Store
Description: Discover award-winning mattresses built for cooler, deeper sleep and lasting support. Shop Casper with free shipping & returns.
Language: en
Canonical: https://casper.com/

Open Graph

url: https://casper.com/
title: The Best Bed for Better Sleep | Casper Online Mattress Store
site name: Casper Sleep
description: Discover award-winning mattresses built for cooler, deeper sleep and lasting support. Shop Casper with free shipping & returns.

Technology

CDN: Cloudflare
CMS: Shopify

Third-party hosts loaded (12)

cdn.shopify.com×14
cdn.instant.so×5
assets.journeyfinder.ai×3
cdn-widgetsrepository.yotpo.com×2
sdk.helloextend.com×2
shop.app×2
c.albss.com×1
casper.fides-cdn.ethyca.com×1
creatives.attn.tv×1
monorail-edge.shopifysvc.com×1
sierra.chat×1
staticw2.yotpo.com×1

Social

Contact

Email

support@casper.com

Phone

+18884980003

Address

st input = document.getElementById("input-sections--27753

Registration

Registrar

NameCheap, Inc.

Created

1995-06-03

Expires

2026-06-02 12 days left

Updated

2025-06-02

Name servers

rick.ns.cloudflare.com
vera.ns.cloudflare.com

DNS records live

NS

rick.ns.cloudflare.com
vera.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 4 TXT records

g87k2k1qwbbj7z5c4m8y9d5lm4vbrkl8
jamf-site-verification=UcvN4bY36CiTka_xGI-nxQ
_8z5kjc86kzdm95a97m4flrxfckonzxa
happeo-site-verification=b0a3d0f793d14aa1a4cd2ffbcc6011e7

Verified for

1Password
Apple
Atlassian
DocuSign
GlobalSign
Google
Meta
Microsoft 365
Miro
Pinterest
Shopify
Zoom

Email authentication strong

SPF

v=spf1 ip4:208.89.14.209  include:_spf.google.com include:_spf.q4press.com include:docebosaas.com include:_spf.createsend.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; rua=mailto:pyzv2eqw@ag.dmarcian.com;

policy: reject (enforced)

DKIM

Show 5 DKIM selectors

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCJ7B13enB26PCLAZrNkQHq5FP5ankrtNjpe2Utf4aSY5mzBOJbNDFlh4SyMxHCSAQhwc9h+86rux+YcIAiaR…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxHEEAeZkpmcvJ4/JvW5geeh2ly8CL40ZepireQmSRaJVt9m0DTh+UWzvmgqOTKfQRsgzCz/GqK4VySe+YC…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMqcEZsFvg9em6UueFxHTxjoVYLp6CuDDFt+uaGdEKPP65QUkADN3hbsQDHZcBhpwxifQtDeaslKAZyxJcUPblOd…
smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

E7

from 2026-04-10 to 2026-07-09

Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://casper.com/

present

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

findings

short HSTS max-age
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: block-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests;
strict-transport-security: max-age=7889238