indexo.dev

asyncexpert.com

.com crawl

First seen 2026-05-29 · Last seen 2026-06-01 · ok HTTP/1.1 200 825 ms crawled 2026-05-31

US · 172.67.161.175 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Async Expert - online course about asynchronous programming in .NET
Description
Async Expert is a 9-weeks on-line course in which we will guide you from async basics through synchronization and concurrent collections in .NET Core & .NET. To allow you to verify possessed knowledge with prepared suitable homeworks.
Language
en
Canonical
https://asyncexpert.com

Open Graph

url
https://asyncexpert.com
title
Async Expert - online course about asynchronous programming in .NET
description
Async Expert is a 9-weeks on-line course in which we will guide you from async basics through synchronization and concurrent collections in .NET Core & .NET. To allow you to verify possessed knowledge with prepared suitable homeworks.

Technology

CDN
Cloudflare
jQuery
3.3.1 known XSS (<3.5)
Fonts
  • Font Awesome
  • Google Fonts
Social widgets
  • Twitter Widget
  • YouTube Embed

Third-party hosts loaded (6)

  • cdnjs.cloudflare.com×5
  • fonts.googleapis.com×4
  • platform.twitter.com×1
  • update-conference.ck.page×1
  • use.fontawesome.com×1
  • www.youtube.com×1

Social

Registration

Registrar
Tucows Domains Inc.
Created
2020-02-28
Expires
2027-02-28 270 days left
Updated
2026-01-07
Name servers
  • kia.ns.cloudflare.com
  • yichun.ns.cloudflare.com

DNS records live

NS
  • kia.ns.cloudflare.com
  • yichun.ns.cloudflare.com
TXT
  • qp8bv9mrtghqmqcz5rf2fpv8ks96nzjc
Verified for
  • Google

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-17 to 2026-07-16
Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.asyncexpert.com/

present
  • strict-transport-security
  • x-content-type-options
  • referrer-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-content-type-options
nosniff
strict-transport-security
max-age=10886400; includeSubDomains; preload

Links to (13)

Linked from (2)