indexo.dev

portscan.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 410 ms crawled 2026-06-02

US · 104.21.7.10 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Free Online Port Scanner - no account, no signup, no API key
Description
Check which TCP ports are open on an IP address. Fast scan about 20s, deep scan typically 30-90s. Includes port 25. No signup, no account, no API key.
Language
en
Canonical
https://portscan.com/

Open Graph

url
https://portscan.com/
title
Free Online Port Scanner - no account, no signup, no API key
description
Check which TCP ports are open on an IP address. Fast scan about 20s, deep scan typically 30-90s. Includes port 25. No signup, no account, no API key.

Technology

CDN
Cloudflare

Registration

Registrar
Porkbun LLC
Created
1999-02-27
Expires
2033-02-27 2459 days left
Updated
2026-03-27
Name servers
  • chan.ns.cloudflare.com
  • sri.ns.cloudflare.com

DNS records live

NS
  • chan.ns.cloudflare.com
  • sri.ns.cloudflare.com
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
TXT
  • protonmail-verification=ae94d2036d7181f0f6a6573e3a5b3de7e9d3118a
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.protonmail.ch ~all
softfail (~all)
DMARC
v=DMARC1; p=reject
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-25 to 2026-08-23
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://portscan.com/

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

Links to (3)

Linked from (2)