🌐 buyunder.com 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
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Also reached via: lut.net
✨ About this site
This website operates as a domain name brokerage and marketplace, offering a large inventory of over 30,000 pre-registered domain names for purchase, with a particular emphasis on heating, ventilation, air conditioning, and refrigeration (HVACR) categories. Active since 2006 and utilizing standard web infrastructure like Cloudflare, it functions as a specialist service for businesses and individuals seeking established web addresses. The name combines the imperative verb 'buy' with the preposition 'under', suggesting an affordable marketplace or a platform focused on acquiring domains situated beneath top-tier pricing, though it is a lesser-known platform compared to major domain registrars.
📊 What the data says
This website is currently active with an HTTP 200 status and is hosted on Cloudflare. The technology stack includes Cloudflare and Font Awesome, and the domain, which is approximately 20 years old, has an SSL certificate valid until December 13, 2026.
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 52d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 146d
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 →
0/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.21.68.202
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. 2
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🌐 CDN
Cloudflare
🔤 Font/Icon
Font Awesome
📸 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)172.67.198.114104.21.68.202
AAAA (IPv6)2606:4700:3031::6815:44ca2606:4700:3035::ac43:c672
NScoco.ns.cloudflare.comalgin.ns.cloudflare.com
MX0 _dc-mx.d71d8951aa86.buyunder.com
TXT (1)
v=spf1 ip4:104.152.223.174 +a +mx ~all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarGoDaddy.com, LLC
Registered2006-03-17
Expires2027-03-17 (in 146 days)
Last Updated2026-03-20
Statusclient delete prohibitedclient renew prohibitedclient transfer prohibitedclient update prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)buyunder.com
IssuerLet's Encrypt
Valid From2026-09-14
Valid Until2026-12-13 (52 days left)
SANs (2)*.buyunder.combuyunder.com
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servercloudflare
Content-Typetext/html; charset=UTF-8
Final URLhttps://buyunder.com/
cf-raya4e1bb78590fbd1c-ATL
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address104.21.68.202
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (1/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ 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 Not found
🔗 Social & Meta Tags Complete
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TitlePremium Domain Names - 30K+ Domains for Sale - HVACR Domains
DescriptionDiscover the best premium domains on the web. Search & purchase over 30K premium names for sale. Find and buy the perfect domain name today.
OG TitlePremium Domain Names - 30K+ Domains for Sale - HVACR Domains
OG DescriptionDiscover the best premium domains on the web. Search & purchase over 30K premium names for sale. Find and buy the perfect domain name today.
OG Imagehttps://www.hvacrdomains.com/featured.jpg
OG preview
OG Typewebsite
Canonical URLhttps://www.hvacrdomains.com/
Languageen
📧 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 ip4:104.152.223.174 +a +mx ~all
DMARC✓ Present
v=DMARC1; p=none;
MX Records
0 → _dc-mx.d71d8951aa86.buyunder.com
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 1 for sale 22 available
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.com current
.net taken
.org Available
.info Available
.io Available
.co Available
.dev Available
.app Available
.me Available
.biz Available
.eu Available
.xyz Available
.fi Available
.se Available
.de Available
.uk Available
.fr Available
.nl Available
.es Available
.it Available
.us Available
.ca Available
.com.au Available
.co.uk Available
📡 Uptime Monitor
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Current Status 🟢 Online
HTTP Status 200
Response Time 352ms
Last Checked 2026-10-19 09:45:46.058821
Uptime (30d) 100%
🔗 Similar Sites 8
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domains.io 62% domains.co.uk 62% vr.app 59% hs.eu 59% a2z.uk 58% domainname.xyz 57% power.app 57% service-now.dev 57%

Similarity based on content analysis. More results appear as more domains are indexed.