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Domain report

siperb.com

siperb.com ranks in the top 0.044% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 4 distinct hosts observed under it.

Explore siperb.com in the Web Graph

Connectivity

#58,408harmonic-centrality rank
Top percentile
0.044%
Hosts observed
4

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://siperb.com/ answered with HTTP 200.

DNS records

A
  • 54.170.36.100
  • 52.17.167.206
  • 54.195.64.167
AAAA
No records found.
MX
  • 1 smtp.google.com.
NS
  • ns-1142.awsdns-14.org.
  • ns-1547.awsdns-01.co.uk.
  • ns-65.awsdns-08.com.
  • ns-895.awsdns-47.net.

Live preview

This is a live, sandboxed embed of siperb.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=3600
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

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

    → https://siperb.com/

  2. 2.https://siperb.com/HTTP 301

    → https://www.siperb.com/

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

Meta tags

Title
SIPERB - WebRTC powered Softphone for Browsers, Mobile and Desktop
Description
Siperb is a modern Softphone powered with WebRTC and a free hosted SIP Proxy that connects to your VoIP PBX like Asterisk, FreeSWITCH or any SIP based PBX.
Canonical
https://www.siperb.com/
Robots
Not set
Generator
Not set
Open Graph title
Siperb | A modern Softphone based on WebRTC for Asterisk PBX or FreeSWITCH VOIP PBX.
Open Graph description
Siperb is a WebRTC to SIP Proxy between your traditional VoIP PBX (like Asterisk) and a powerful WebRTC Browser Phone client.
Open Graph image
https://cdn.siperb.com/images/SocialMedia/Universal-Promo.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Siperb | A modern Softphone based on WebRTC for Asterisk PBX or FreeSWITCH VOIP PBX.
Twitter image
https://cdn.siperb.com/images/SocialMedia/Universal-Promo.png

robots.txt

Disallow rules (User-agent: *)
10
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.siperb.com/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.