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385.2 M

Domains known to webXtrend

9.8 M

New domains in the last 30 days

62.8 M

Social media profiles detected

systemdesign.tech

Get an email when its DNS, website or certificate changes.

systemdesign.tech carries DNS records but serves no website.

The most recent crawl returned the page title “System Design Blog | System Design Blog” and 114,932 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .tech Statistics for all domains we know under this TLD.
Has website no A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record no The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https no The domain redirects to https.
Redirect to www. no The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website yes There are no A or AAAA records in DNS.
IP-Address servfail Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate no certificate Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 0 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "systemdesign.tech"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer Let's Encrypt
Valid from 9/20/2026
Valid to 12/19/2026
Time until expiry 56 days

Last successful crawl

Title System Design Blog | System Design Blog
Description Learn system design, architecture, and scalability concepts through practical examples and real-world case studies.
Content-Length 114,932 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
3.110.123.69 10/13/2025
84.32.84.33 4/12/2025
76.76.21.21 4/9/2024
84.32.84.33 2/10/2024
15.197.148.33 12/11/2023
Mail server Priority Last updated
aspmx.l.google.com 1 1/2/2024
alt1.aspmx.l.google.com 5 1/2/2024
alt2.aspmx.l.google.com 5 1/2/2024
alt3.aspmx.l.google.com 10 1/2/2024
alt4.aspmx.l.google.com 10 1/2/2024
Name server Last updated
ns-111.awsdns-13.com 10/13/2025
ns-1442.awsdns-52.org 10/13/2025
ns-1630.awsdns-11.co.uk 10/13/2025
ns-632.awsdns-15.net 10/13/2025
ns1.dns-expired.com 4/12/2025

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

No domains found.

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.