swagger.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 879 ms crawled 2026-05-18

US · 162.159.140.69 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: API Documentation & Design Tools for Teams | Swagger
Description: Simplify API development for users, teams, and enterprises with our open source and professional toolset. Find out how Swagger can help you and get started today.

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (8)

static1.smartbear.co×15
cdn-4.convertexperiments.com×1
cdn.jsdelivr.net×1
code.jquery.com×1
fonts.googleapis.com×1
imagedelivery.net×1
www.googleoptimize.com×1
www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS

ns-1077.awsdns-06.org
ns-1991.awsdns-56.co.uk
ns-266.awsdns-33.com
ns-725.awsdns-26.net

MX

0 us-smtp-inbound-1.mimecast.com
10 us-smtp-inbound-2.mimecast.com

TXT

ahrefs-site-verification_1d2c1c43e1d55985da2e06feddacc88fbb8c041d9db1b94a72fe737b8c278ebb
detectify-verification=8ed6429e219678f4eb827c47022baa9b
google-site-verification=ADwb7r6XTIZqavtEaI_QSKb0zD9nNlWuE7-e-Z2eOCA

Email authentication partial

SPF: v=spf1 a mx include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:us._netblocks.mimecast.com include:servers.mcsv.net include:sendgrid.net include:datadrivenemail.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none; rua=mailto:dmarc@smartbear.com; ruf=mailto:dmarc@smartbear.com; fo=1;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-05-08 to 2026-08-06

Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://swagger.io/

present

strict-transport-security
x-frame-options

findings

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

Header values

x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000; includeSubDomains; preload

Links to (7)

Linked from (8)