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Domain report

refactoring.com

refactoring.com ranks in the top 0.29% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore refactoring.com in the Web Graph

Connectivity

#389,531harmonic-centrality rank
Top percentile
0.29%
Hosts observed
2

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

Certificate until 2027-04-02C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1

DNS records

A
  • 34.198.71.201
AAAA
No records found.
MX
  • 1 aspmx.l.google.com.
  • 10 aspmx2.googlemail.com.
  • 10 aspmx3.googlemail.com.
  • 10 gigaton.thoughtworks.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • ns-1081.awsdns-07.org.
  • ns-1774.awsdns-29.co.uk.
  • ns-285.awsdns-35.com.
  • ns-963.awsdns-56.net.
AS
Server in network AMAZON-AES, AS14618 · United States34.198.71.0/24, which holds 34.198.71.201

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
Tucows Domains Inc.
Registered
1999-05-04
Expires
2027-05-04
Last changed
2026-04-03

Nameservers: NS-1081.AWSDNS-07.ORG, NS-1774.AWSDNS-29.CO.UK, NS-285.AWSDNS-35.COM, NS-963.AWSDNS-56.NET

Status: client transfer prohibited, client update prohibited

How to read WHOIS and RDAP data

SSL certificate

Common name
www.refactoring.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-09-16
Valid until
2027-04-02

Matches refactoring.com exactly. Source: Certificate Transparency logs (crt.sh).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000; includeSubDomains;
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://refactoring.com/HTTP 301

    → https://refactoring.com/

  2. 2.https://refactoring.com/HTTP 200

Meta tags

Title
Refactoring
Description
Not set
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
Refactoring Home Page
Open Graph description
Introduction to the technique of refactoring and online catalog of refactorings
Open Graph image
http://refactoring.com/twitter-card.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

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

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