nats.io

.io crawl

First seen 2026-04-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 351 ms crawled 2026-05-08

US · 3.33.186.135 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: NATS.io – Cloud Native, Open Source, High-performance Messaging
Language: en-us
Generator: Hugo 0.80.0

Open Graph

url: https://nats.io/
title: NATS.io
site name: NATS.io
description: NATS is a connective technology powering modern distributed systems, unifying Cloud, On-Premise, Edge, and IoT.
updated time: 2026-04-30T00:00:00+00:00

Technology

CDN: Netlify
CMS: Hugo

Analytics

Google Tag Manager

Social widgets

YouTube Embed

Third-party hosts loaded (7)

cdnjs.cloudflare.com×10
cdn.jsdelivr.net×2
ajax.googleapis.com×1
buttons.github.io×1
code.jquery.com×1
www.googletagmanager.com×1
www.youtube.com×1

Social

DNS records live

NS

dns1.p01.nsone.net
dns2.p01.nsone.net
dns3.p01.nsone.net
dns4.p01.nsone.net

MX

1 aspmx.l.google.com
10 aspmx3.googlemail.com
5 alt2.aspmx.l.google.com

TXT

google-site-verification=p4Bf_mT5fvalqr8VEqTH1wkNNv4-utUmpS7lR_tb2Ko
google-site-verification=bJlNTzkrkaRnibYQoh9yRKmUleWmahvJ70PGvhCS8ko
google-site-verification=ZyswKrdP7nQzZpy80x1DRtCzKTn-SDtQY4n4pYohhn8

Email authentication partial

SPF

v=spf1 include:_spf.google.com include:47270392.spf05.hubspotemail.net ~all

softfail (~all)

DMARC

v=DMARC1; p=none; pct=100; rua=mailto:re+e7swibrtqlk@dmarc.postmarkapp.com; sp=none; aspf=r;

policy: none (monitoring only) · sp=none

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt9Oux+NowEiuBH7NdPN90FWUR+pXGS5mIj0AhqMk3+uWewdY4m4pK+L+kQrJu4fjxNb+IMGk1z3tvU…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

from 2026-03-24 to 2026-06-22

Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://nats.io/

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=31536000