syncthing.net

.net toplist crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 520 ms crawled 2026-05-18

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Syncthing
Language: en
Generator: Hugo 0.161.1
Canonical: https://syncthing.net/

Technology

CDN: Fastly
Server: GitHub.com
CMS: Hugo

Third-party hosts loaded (5)

cdnjs.cloudflare.com×2
stackpath.bootstrapcdn.com×2
avatars.githubusercontent.com×1
cdn.kastelo.net×1
code.jquery.com×1

Social

Registration

Registrar

Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA

Created

2014-03-02

Expires

2027-03-02 286 days left

Updated

2026-02-15

Name servers

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

DNS records live

NS

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

MX

0 syncthing-net.mail.protection.outlook.com

TXT

MS=ms31013914

Email authentication partial

SPF: v=spf1 include:spf.protection.outlook.com include:mailgun.org ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-02 to 2026-07-31

Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://syncthing.net/

findings

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