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385.6 M

Domains known to webXtrend

9.9 M

New domains in the last 30 days

62.8 M

Social media profiles detected

stdlib.io

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

stdlib.io serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

Its busiest IP address is shared with one other domain, and 9 domains redirect to it.

The most recent crawl returned the page title “stdlib - A standard library for JavaScript and Node.js” and 19,600 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .io Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record yes The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes 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 no There are no A or AAAA records in DNS.
IP-Address Both Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate valid Shows whether the domain has a valid SSL certificate.
Redirects 9 Number of domains that redirect to this domain.
Reverse IP 4 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": "stdlib.io"}'

Create a free account Read the API docs

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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 9/3/2026
Valid to 12/2/2026
Time until expiry 38 days

Last successful crawl

Title stdlib - A standard library for JavaScript and Node.js
Description stdlib is a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing.
Content-Length 19,600 bytes

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

DNS history

IPv4 address First seen
45.79.190.132 12/6/2023
IPv6 address First seen
2600:3c03:0:0:f03c:91ff:fec8:f35d 12/6/2023
Mail server Priority First seen
mail.stdlib.io 10 1/13/2024
Name server First seen
ns1.linode.com 12/6/2023
ns2.linode.com 12/6/2023
ns3.linode.com 12/6/2023
ns4.linode.com 12/6/2023
ns5.linode.com 12/6/2023

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

Most recent redirect domains

Domain Last seen
stdlibjs.xyz 10/23/2026
stdlibjs.org 10/22/2026
stdlib.app 10/21/2026
stdlibjs.blog 10/20/2026
stdlibjs.com 10/17/2026
stdlibjs.studio 10/13/2026
stdlibhq.com 10/13/2026
stdlib.ai 10/12/2026
stdlib.blog 10/12/2026

Reverse IP neighbours

2600:3c03::f03c:91ff:fec8:f35d 2 domains · here since 9/19/2026
Domain On this IP since
areines.com 9/17/2026
45.79.190.132 2 domains · here since 9/19/2026
Domain On this IP since
areines.com 9/17/2026

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.