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sera.tech

sera.tech ranks in the top 0.15% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 10 distinct hosts observed under it.

Explore sera.tech in the Web Graph

Connectivity

#205,295harmonic-centrality rank
Top percentile
0.15%
Hosts observed
10

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://sera.tech/ answered with HTTP 200.

DNS records

A
  • 199.60.103.128
  • 199.60.103.28
AAAA
No records found.
MX
  • 0 sera-tech.mail.protection.outlook.com.
NS
  • ns-1212.awsdns-23.org.
  • ns-1714.awsdns-22.co.uk.
  • ns-191.awsdns-23.com.
  • ns-866.awsdns-44.net.

Live preview

This is a live, sandboxed embed of sera.tech — 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
s-maxage=36000, max-age=5
Content-Encoding
Not sent

Security

Content-Security-Policy
upgrade-insecure-requests
Strict-Transport-Security
max-age=31536000
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
no-referrer-when-downgrade
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://sera.tech/HTTP 301

    → https://sera.tech/

  2. 2.https://sera.tech/HTTP 200

Meta tags

Title
Field Service Management Software for Contractors | Sera
Description
Canonical
https://sera.tech
Robots
Not set
Generator
HubSpot
Open Graph title
Field Service Management Software for Contractors | Sera
Open Graph description
Open Graph image
Not set
Open Graph type
Not set
Twitter card
summary
Twitter title
Field Service Management Software for Contractors | Sera
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
5
Disallow rules (other agents)
0

Sitemap declared:

  • https://sera.tech/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

  • Google Tag Manageranalytics

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

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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