indexo.dev

useinstructor.com

.com crawl

First seen 2026-05-07 · Last seen 2026-05-07 · ok HTTP/1.1 200 1540 ms crawled 2026-05-14

DE · 185.158.133.1 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Instructor - Structure LLM Outputs with Ease
Description
Extract structured data from LLMs with type safety and validation. Instructor is an open-source library for working with language models.
Language
en

Open Graph

url
https://instructor-ai.github.io/
title
Instructor - Structure LLM Outputs with Ease
description
The simplest way to extract structured data from LLMs with type safety and validation.

Technology

CDN
Cloudflare
CMS
Gatsby
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Registration

Registrar
NameCheap, Inc.
Created
2023-09-15
Expires
2026-09-15 118 days left
Updated
2025-08-16
Name servers
  • elias.ns.cloudflare.com
  • may.ns.cloudflare.com

DNS records live

NS
  • elias.ns.cloudflare.com
  • may.ns.cloudflare.com
MX
  • 10 eforward1.registrar-servers.com
  • 10 eforward2.registrar-servers.com
  • 10 eforward3.registrar-servers.com
  • 15 eforward4.registrar-servers.com
  • 20 eforward5.registrar-servers.com
Verified for
  • Ahrefs

Email authentication weak

SPF
v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-03-30 to 2026-06-28
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://useinstructor.com/

present
  • strict-transport-security
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains

Links to (1)

Linked from (1)