citynaturechallenge.org

.org crawl

First seen 2026-04-14 · Last seen 2026-05-20 · ok HTTP/1.1 200 1280 ms crawled 2026-05-08

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: City Nature Challenge
Description: Generated by create next app

Technology

CDN: Vercel
CMS: Next.js

Fonts

Adobe Fonts

Third-party hosts loaded (2)

cnc-assets.sfo3.digitaloceanspaces.com×8
use.typekit.net×1

Registration

Registrar

Name.com, Inc.

Created

2017-03-15

Expires

2027-03-15 298 days left

Updated

2026-03-09

Name servers

ns1jlp.name.com
ns2dqr.name.com
ns3cfp.name.com
ns4cpw.name.com

DNS records live

NS

ns1jlp.name.com
ns2dqr.name.com
ns3cfp.name.com
ns4cpw.name.com

Email authentication no MX

SPF

not published

DMARC

v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

policy: reject (enforced)

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0dl9Gzr4tZsb7Ec+DGOVTaoMBBe0etsHBF95ufpjhSg0JeugBS5q0kyvmU2m8iWdGByPNsErtvhk1lSSa0…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3QLK2+ETjL6aqYaNZzWWF9WvNhJZOFsOnNZjCYLD53p+jeOBKpzTWScVFmNJgRwkBBMKlE6dpZYjjXvelm…

selectors probed

Certificate (current)

R13

from 2026-04-20 to 2026-07-19

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.citynaturechallenge.org/

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