Domain report
back.com
back.com ranks in the top 0.43% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.43%
- Hosts observed
- 3
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://back.com/ answered with HTTP 526.
DNS records
- A
- 144.15.206.53
- AAAA
- No records found.
- MX
- 100 fibula.spineport.com.
- 0 tibula.spineport.com.
- NS
- ns5.medtronic.com.
- ns2.medtronic.com.
- ns3.medtronic.com.
- ns4.medtronic.com.
- AS
- Server in network ASN-MEDTRONIC-1, AS13684 · United States144.15.206.0/24, which holds 144.15.206.53
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since back.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
- Registrar
- MarkMonitor Inc.
- Registered
- 1997-05-21
- Expires
- 2027-05-22
- Last changed
- 2025-04-20
Nameservers: NS2.MEDTRONIC.COM, NS3.MEDTRONIC.COM, NS4.MEDTRONIC.COM, NS5.MEDTRONIC.COM
Status: client delete prohibited, client transfer prohibited, client update prohibited
SSL certificate
Certificate Transparency lookup failed (HTTP 502).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/plain; charset=UTF-8
- Cache-Control
- private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- same-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://back.com/HTTP 301→ https://www.medtronic.com/en-us/l/patients/conditions/back-pain.html
- 2.
https://www.medtronic.com/en-us/l/patients/conditions/back-pain.htmlHTTP 200
Meta tags
- Title
- Not set
- Description
- Not set
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Not set
- Open Graph description
- Not set
- Open Graph image
- Not set
- Open Graph type
- Not set
- Twitter card
- Not set
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
robots.txt request failed (HTTP 526).
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.