cityjsconf.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1008 ms crawled 2026-05-19

US · 216.150.1.1 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: CityJS JavaScript & AI Conference – Learn the Future of Web and AI Tech
Description: A Community Family of Conferences around the world
Language: en
Canonical: https://cityjsconf.org/home

Open Graph

url: https://cityjsconf.org/home
title: CityJS JavaScript & AI Conference – Learn the Future of Web and AI Tech
locale: en_US
site name: CityJS Conferences
description: A Community Family of Conferences around the world

Technology

CDN: Vercel
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (3)

images.ctfassets.net×4
www.googletagmanager.com×4
eu-assets.i.posthog.com×1

Social

Registration

Registrar

IONOS SE

Created

2017-12-13

Expires

2026-12-13 207 days left

Updated

2026-01-27

Name servers

ns1037.ui-dns.org
ns1029.ui-dns.de
ns1034.ui-dns.com
ns1077.ui-dns.biz

DNS records live

NS

ns1029.ui-dns.de
ns1034.ui-dns.com
ns1037.ui-dns.org
ns1077.ui-dns.biz

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 4 TXT records

google-site-verification=RAcCDyCIdLRxNYAri2ah4NI9mhVjV6UgBAiEGyVI-go
google-site-verification=QM1RhcV1sUtubIbl30kZJxQtFPDFsh3PIqy25_OnAY4
google-site-verification=W7rBbaFF78zH1zctfDtoTHnV90HxUxsQQhUwF-rbsXc
google-site-verification=eVD1NoPrLNE6AeLYBTSszc8JmvdqeIIy6G15Yfbs7Gk

Email authentication weak

SPF: v=spf1 include:_spf.mlsend.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-23 to 2026-06-21

Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://cityjsconf.org/

present

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

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: DENY
permissions-policy: camera=(), microphone=(), geolocation=(), interest-cohort=()
x-content-type-options: nosniff
content-security-policy: default-src 'self'; script-src 'self' 'unsafe-inline' https://js.tito.io https://js-plugins.tito.io https://www.googletagmanager.com https://www.google-analytics.com https://analytics.twitter.com https://static.ads-twitter.com https://konfhub.com https://assets.mailerlite.com https://assets.mlcdn.com https://www.google.com https://groot.mailerlite.com https://eu-assets.i.posthog.com https://assets.mlcdn.com https://*.vercel.app https://*.vercel.net https://*.cityjsconf.org https://eu.posthog.com https://us.posthog.com https://googleads.g.doubleclick.net https://www.eventbrite.co.uk; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://js.tito.io https://konfhub.com https://assets.mailerlite.com https://assets.mlcdn.com https://fonts.mailerlite.com https://*.vercel.app https://*.vercel.net https://*.cityjsconf.org https://eu.posthog.com; font-src 'self' https://fonts.gstatic.com https://assets.mlcdn.com https://fonts.mailerlite.com data:; img-src 'self' data: https: blo
strict-transport-security: max-age=63072000