indexo.dev

qurtoo.com

.com crawl

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 20701 ms crawled 2026-05-18

US · 104.21.6.199 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Qurtoo -- Prompt Engineering & AI Techniques
Description
A comprehensive prompt engineering resource. Techniques, agentic workflows, and applied prompting across industries and roles.
Language
en
Canonical
https://qurtoo.com
Feeds

Open Graph

url
https://qurtoo.com
title
Qurtoo -- Prompt Engineering & AI Techniques
description
A comprehensive prompt engineering resource by Kief Studio.

Technology

CDN
Cloudflare
CMS
Ghost

Social

Contact

Address
Shrewsbury, MA, US

Registration

Registrar
NameCheap, Inc.
Created
2018-02-05
Expires
2027-02-05 260 days left
Updated
2026-02-19
Name servers
  • aspen.ns.cloudflare.com
  • vasilii.ns.cloudflare.com

DNS records live

NS
  • aspen.ns.cloudflare.com
  • vasilii.ns.cloudflare.com
MX
  • 57 route2.mx.cloudflare.net
  • 7 route3.mx.cloudflare.net
  • 89 route1.mx.cloudflare.net

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
policy: reject (enforced) · sp=reject
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: v=DKIM1; p=
  • s2: v=DKIM1; p=
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

WE1
from 2026-04-14 to 2026-07-14
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://qurtoo.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
  • cross-origin-resource-policy
findings
  • CSP allows unsafe inline scripts/styles
  • weak frame protection
Header values
referrer-policy
strict-origin-when-cross-origin, strict-origin-when-cross-origin, strict-origin-when-cross-origin
x-frame-options
DENY, SAMEORIGIN, DENY
permissions-policy
camera=(), microphone=(), geolocation=(), payment=(), camera=(), microphone=(), geolocation=(), payment=()
x-content-type-options
nosniff
content-security-policy
default-src 'self'; connect-src 'self' https://auth.ltfi.ai https://checkout.stripe.com; font-src 'self' data:; img-src 'self' data: https:; object-src 'none'; script-src 'self' 'nonce-jtdI170R+vMJMnOrCVcuCA=='; style-src 'self' 'unsafe-inline'; base-uri 'self'; form-action 'self' https://auth.ltfi.ai; frame-ancestors 'none'
strict-transport-security
max-age=31536000; includeSubDomains; preload
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin

Links to (4)

Linked from (1)