plankmattress.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 1224 ms crawled 2026-05-09

CA · 23.227.38.65 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Plank Mattress: The Best Firm Mattress
Description: The Plank Mattress by Brooklyn Bedding delivers the firmest flippable surface for sleepers who can never find a mattress firm enough.
Language: en
Canonical: https://plankmattress.com/

Open Graph

url: https://plankmattress.com/
title: Plank Mattress: The Best Firm Mattress
site name: Plank Mattress
description: The Plank Mattress by Brooklyn Bedding delivers the firmest flippable surface for sleepers who can never find a mattress firm enough.

Technology

CDN: Cloudflare
CMS: Shopify

Cookie consent

Osano

Fonts

Adobe Fonts

Third-party hosts loaded (9)

cdn.shopify.com×12
shop.app×2
autopilot.kodif.io×1
cdn-widgetsrepository.yotpo.com×1
cmp.osano.com×1
fonts.shopifycdn.com×1
i.ytimg.com×1
monorail-edge.shopifysvc.com×1
use.typekit.net×1

Social

Contact

Phone

+16236241222

Registration

Registrar

GoDaddy Corporate Domains, LLC

Created

2018-05-22

Expires

2034-05-22 2924 days left

Updated

2025-01-14

Name servers

ns13.gcd-dns.com
ns14.gcd-dns.com

DNS records live

NS

ns13.gcd-dns.com
ns14.gcd-dns.com

MX

0 plankmattress-com.mail.protection.outlook.com

TXT

Show 7 TXT records

google-site-verification=6uGsynxjWSIp3YUa76KHcUI-s8nG5gM1kAFRPlTIUGg
google-site-verification=EAMMitemVWmoGIG8ngHDbkkhExw_ODFNAgYNryNOrWU
google-site-verification=nq1-FLkcWKv-kIR2wdu8OfsTfyfQWb8NH_WAwn0TdPg
google-site-verification=SZ4L_y_1hFmQ_UXClHWSvVyw9g1OudaqeuZ_LP0ppys
google-site-verification=YDcwdzL3s9rniL6_8g0cRJ7bSc1NsFbJaIryShI4pFo
MS=ms53536583
google-site-verification=neuE-w3Nf4Myv31XMRCwfLXiIUIIIe21RS3TQAtg-Fk

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=none; pct=100; rua=mailto:re+khhkiv5ilpj@dmarc.postmarkapp.com; sp=none; aspf=r;

policy: none (monitoring only) · sp=none

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwK5A350xH8hgCpct5GHkX4Ld796N3KjRXxaqKoDqJhtbt4U85pZxGpjQQrR4Crz4ZwQDKm6z9qdLEI…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2TIsyTGnbP+xtKelJvfGWqZayo01T1EOElrMvuvxMJl5RhVggzCd0C6JpSTYe5+FUs2F03P6ysMvjqxZVB…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApMr4m1n7+KP6r3ModxvXSsDHHSmHYB4KkT6whj0Vq6uRhznKz2Zd2UoFDvB2X3KvLu+PniC/uWbdDkAnJI…

selectors probed

Certificate (current)

from 2026-04-18 to 2026-07-17

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://plankmattress.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