mypy-play.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1628 ms crawled 2026-05-18

US · 104.21.64.21 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
mypy Playground
Description
The mypy Playground is a web service that receives a Python program with type hints, runs mypy inside a sandbox, then returns the output.
Language
en

Technology

CDN
Cloudflare

Registration

Registrar
Cloudflare, Inc.
Created
2018-05-13
Expires
2027-05-13 358 days left
Updated
2026-04-02
Name servers
  • theo.ns.cloudflare.com
  • zoe.ns.cloudflare.com

DNS records live

NS
  • theo.ns.cloudflare.com
  • zoe.ns.cloudflare.com
TXT
  • google-site-verification=T48gTfSx1cftmOL3x5My2vPJbDp4dqUbt_SWBQHw4hk

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-06 to 2026-07-05
Expires in 47 days

HTTP security headers

Header hygiene 70/100 Checked live page: https://mypy-play.net/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
x-content-type-options
nosniff
strict-transport-security
max-age=15768000

Linked from (1)