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Domain report

cellsigma.com

cellsigma.com ranks in the top 0.25% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore cellsigma.com in the Web Graph

Connectivity

#331,890harmonic-centrality rank
Top percentile
0.25%
Hosts observed
1

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://cellsigma.com/ answered with HTTP 200.

DNS records

A
  • 172.67.217.87
  • 104.21.24.66
AAAA
  • 2606:4700:3036::ac43:d957
  • 2606:4700:3037::6815:1842
MX
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • etta.ns.cloudflare.com.
  • sean.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of cellsigma.com — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
public,max-age=0,must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31556952
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://cellsigma.com/HTTP 301

    → http://www.sigmatelecom.com/

  2. 2.http://www.sigmatelecom.com/HTTP 301

    → https://www.sigmatelecom.com/

  3. 3.https://www.sigmatelecom.com/HTTP 200

Meta tags

Title
Sigma Telecom | Wholesale VoIP & SMS Carrier
Description
Sigma Telecom is an Istanbul-based wholesale carrier delivering international VoIP and SMS traffic to 190+ countries over 1,000+ operator interconnections.
Canonical
https://www.sigmatelecom.com
Robots
Not set
Generator
Wix.com Website Builder
Open Graph title
Sigma Telecom | Wholesale VoIP & SMS Carrier
Open Graph description
Sigma Telecom is an Istanbul-based wholesale carrier delivering international VoIP and SMS traffic to 190+ countries over 1,000+ operator interconnections.
Open Graph image
https://static.wixstatic.com/media/35d9ec_464178c8e76a4bf49335a2f50a363856%7Emv2.png/v1/fit/w_2500,h_1330,al_c/35d9ec_464178c8e76a4bf49335a2f50a363856%7Emv2.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Sigma Telecom | Wholesale VoIP & SMS Carrier
Twitter image
https://static.wixstatic.com/media/35d9ec_464178c8e76a4bf49335a2f50a363856~mv2.png

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

No Sitemap declared in robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Wixcms

    <meta name="generator"> = "Wix.com Website Builder"

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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