harperacademic.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2484 ms crawled 2026-05-18

US · 192.124.249.55 · AS30148 Sucuri

Reputation 100/100

Classifying

HTML metadata

Title

Home - Harper Academic

Language

en-US

Generator

WordPress 6.9.4

Feeds

Harper Academic » Feed RSS
Harper Academic » Comments Feed RSS

Open Graph

url: https://www.harperacademic.com/
title: Home - Harper Academic
locale: en_US
site name: Harper Academic

Technology

Server: Sucuri
CMS: WordPress

Third-party hosts loaded (3)

s48670.pcdn.co×22
i.harperapps.com×7
unpkg.com×3

Social

Registration

Registrar

MarkMonitor Inc.

Created

2000-05-16

Expires

2027-05-16 361 days left

Updated

2026-04-14

Name servers

amy.ns.cloudflare.com
neil.ns.cloudflare.com

DNS records live

NS

amy.ns.cloudflare.com
neil.ns.cloudflare.com

TXT

ca3-a254f68cb56843d5bc8d4857b4ecdae7

Email authentication no MX

SPF: v=spf1 -all
strict (-all)
DMARC: v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2

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

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.harperacademic.com/

present

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

findings

missing Referrer Policy

Header values

x-frame-options: SAMEORIGIN
permissions-policy: private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests;
strict-transport-security: max-age=31536000