calendar.city

.city user

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 89 ms crawled 2026-05-12

US · 216.198.79.193 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

sector tech type homepage

HTML metadata

Title: calendar.city
Description: A curated platform to discover tech events near you.
Language: en
Canonical: https://tech-calendar.com

Open Graph

url: https://tech-calendar.com
title: calendar.city
locale: en_US
site name: calendar.city
description: A curated platform to discover tech events near you.

Technology

CDN: Vercel
CMS: Next.js

Third-party hosts loaded (1)

tech-calendar.com×1

Registration

Registrar

NameCheap, Inc.

Created

2025-06-29

Expires

2026-06-29 38 days left

Updated

2025-07-04

Name servers

ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

DNS records live

NS

ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

Email authentication weak

SPF: v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-04 to 2026-08-02

Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://calendar.city/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000