🌐
substack.ca 200
🔒 SSL Valid
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 56d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 12d
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 →
96.126.111.165
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
100
mob
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 100
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Mobile
Score
Accessibility
Best Practices
SEO
LCP
0.77s
CLS
0.020
FCP
0.77s
TBT
0ms
SI
0.78s
Checked: 2026-09-05 02:56:26.740037 · View on PageSpeed
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected
Screenshot
2026-09-02
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Captured: 2026-09-02 09:16:03 · 0.5 KB
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) | 45.79.167.18045.33.83.10066.175.209.17996.126.111.165 |
| AAAA (IPv6) | 2600:3c03::f03c:95ff:fe00:29ca2600:3c03::f03c:95ff:feed:cf2a2600:3c03::f03c:95ff:fe91:5d522600:3c03::f03c:95ff:feed:4d4f |
| NS | basi.ns.giantpanda.comshishi.ns.giantpanda.com |
| MX | 1 mail.mailerhost.net |
| TXT (1) |
v=spf1 ip6:fd43:c0d1:c090::/48 -all |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | BareMetal.com inc |
| Registered | 2021-10-28 |
| Expires | 2026-10-28 (in 12 days) |
| Last Updated | 2026-07-14 |
| 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) | substack.ca |
| Issuer | Let's Encrypt |
| Valid From | 2026-09-12 |
| Valid Until | 2026-12-11 (56 days left) |
| SANs (2) | *.substack.casubstack.ca |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | openresty/1.29.2.5 |
| Content-Type | text/html; charset=utf-8 |
| Final URL | https://substack.ca/ |
| strict-transport-security | max-age=0; 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 | 96.126.111.165 |
| 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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Blocked from crawlers
robots.txt disallows the entire site (/). Search engines are asked not to index any pages.
Areas hidden from crawlers:
Entire site
1
⏱️ Crawl delay: 10s
Show raw disallow rules (1)
/
| Sitemap | Not found |
Social & Meta Tags
Missing
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| Title | substack.ca - Coming Soon |
| 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 ip6:fd43:c0d1:c090::/48 -all |
| DMARC | Not set |
| MX Records | 1 → mail.mailerhost.net |
Other TLDs Other top-level domain variants of this domain name and their availability. 20 active 3 for sale
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 204 |
| Response Time | 35ms |
| Last Checked | 2026-10-15 04:15:35.223675 |
| Uptime (30d) | 100% |
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