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ntp.org 200
🔒 SSL Valid
✨ About this site
This official site for the Network Time Protocol project provides research, development, and resources for the protocol used to synchronize computer clocks across networks. It is a foundational, well-established resource widely relied upon by IT professionals and system administrators worldwide. The name clearly refers to the Network Time Protocol standard it serves.
📊 What the data says
The website currently returns an HTTP 200 status and is served via Apache. It utilizes a stack including Hugo, Google Analytics, Tag Manager, Microsoft Clarity, and Google Fonts, while maintaining HSTS security headers. The SSL certificate is valid until January 3, 2027.
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 73d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 3011d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
1/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
204.93.207.22
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 6
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📊 Analytics
Google Analytics
Google Tag Manager
Microsoft Clarity
🔤 Font/Icon
Google Fonts
📄 Static Site Generator
Hugo
🖥️ Web Server
Apache
Screenshot
Processing...
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⏳
Screenshot is being captured...
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 204.93.207.22209.148.110.246 |
| AAAA (IPv6) | 2001:1838:2000:41b::80:0 |
| NS | anyns.pch.netns1.everett.orgdns2.udel.edudns1.udel.edu |
| MX | 10 mx0.chi1.ntfo.org |
| TXT (5) |
Services configured via TXT:
Google2
+2 other TXT record(s)
Show all TXT recordsv=spf1 a mx ip4:204.93.207.0/27 ip4:66.220.13.234 ip4:66.220.13.237 ip6:2001:470:1:205::234 ip6:2001:470:1:205::/64 ~all google-site-verification=1BTIwQr05WxuBXsED2L-cWc-cC7_8NDYKoWMsmAyR3g ntp-libera-310 _globalsign-domain-verification=O60kZMoa5mBPIKKqd9FSRXcGUhU6s3rzZHzWNLAlL7 google-site-verification=ISMNEfck75SW97AiPz0acClFpICIejjA6F5ijoHccZM |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Tucows Domains Inc. |
| Registered | 1997-01-18 |
| Expires | 2035-01-19 (in 3011 days) |
| Last Updated | 2026-08-12 |
| Status | active |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | ntp.org |
| Issuer | Let's Encrypt |
| Valid From | 2026-10-05 |
| Valid Until | 2027-01-03 (73 days left) |
| SANs (1) | ntp.org |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | Apache |
| Content-Type | text/html |
| Final URL | https://www.ntp.org/ |
| strict-transport-security | max-age-16000000; includeSubDomains; preload; |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 204.93.207.22 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
F (2/7)
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Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
| Sitemap | Found 2 sitemaps (index) pages |
| Last modified | 2026-10-02T17:48:52+01:00 |
Social & Meta Tags
Complete
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| Title | NTP: Network Time Protocol |
| Description | The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase. |
| OG Title | NTP: Network Time Protocol |
| OG Description | The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase. |
| OG Image | https://www.ntp.org/images/NTPLogo800x418.webp |
| OG Type | website |
| OG Site Name | NTP: Network Time Protocol |
| Twitter Card | summary_large_image |
| Canonical URL | https://www.ntp.org/ |
| Language | en |
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | ✓ Present v=spf1 a mx ip4:204.93.207.0/27 ip4:66.220.13.234 ip4:66.220.13.237 ip6:2001:470:1:205::234 ip6:2001:470:1:205::/64 ~all |
| DMARC | ✓ Present v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; pct=100 |
| MX Records | 10 → mx0.chi1.ntfo.org |
Other TLDs Other top-level domain variants of this domain name and their availability. 18 active 3 for sale 2 available
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 611ms |
| Last Checked | 2026-10-18 06:00:31.867624 |
| Uptime (30d) | 100% |
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