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nslookup.io

DNS Lookup Tool – Check DNS Records and Nameservers

Last scanned Aug 24, 2026, 1:23 PM

98

Overall score

Excellent

Summary

Explore fast and reliable DNS lookup tools, domain information, and essential network utilities all in one place on NSLookup.io. This website uses Angular hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100).

Explore fast and reliable DNS lookup tools, domain information, and essential network utilities all in one place on NSLookup.io.

United States
Hosted on Cloudflare

Top issues to fix

1 issue found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

100

SEO

0 issue(s) found

100

Performance

770 ms

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Explore fast and reliable DNS lookup tools, domain information, and essential network utilities all in one place on NSLookup.io.

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
DNS Lookup Tool – Check DNS Records and Nameservers
Description
Explore fast and reliable DNS lookup tools, domain information, and essential network utilities all in one place on NSLookup.io.
Canonical
https://www.nslookup.io/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest
https://www.nslookup.io/manifest.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
DNS Lookup Tool – Check DNS Records and Nameservers
og:description
Explore fast and reliable DNS lookup tools, domain information, and essential network utilities all in one place on NSLookup.io.
og:type
website
og:url
https://www.nslookup.io/

Twitter Card

twitter:card
summary_large_image
twitter:title
DNS Lookup Tool – Check DNS Records and Nameservers
twitter:description
Explore fast and reliable DNS lookup tools, domain information, and essential network utilities all in one place on NSLookup.io.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
104.26.8.225
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 104.26.8.225
  • 104.26.9.225
  • 172.67.70.237
AAAA
  • 2606:4700:20::681a:8e1
  • 2606:4700:20::ac43:46ed
  • 2606:4700:20::681a:9e1
MX
TXT
  • yandex-verification: d8d8a86731d36ff0
NS
CAA
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
nslookup.io
Valid from
Jul 11, 2026
Valid to
Oct 9, 2026
Days until expiry
44
SAN domains
nslookup.io, *.nslookup.io

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 0

Links

90 internal · 17 external · 0 broken

Images

3 total · 0 missing alt

Scripts / Styles

13 scripts · 1 stylesheets

JS / CSS size

76.9 KB · 43.5 KB

Page size

80.8 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Found
URLs in sitemap
129

SEO issues

No SEO issues detected.

Accessibility issues

No accessibility issues detected.

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL
https://nslookup.io
Final URL
https://www.nslookup.io/
HTTP status
200
HTTP version
HTTP/2
Response time
769 ms
HTML size
80.8 KB
Redirect chain
https://nslookup.io → https://www.nslookup.io/

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Frequently asked questions

What technology does nslookup.io use?
nslookup.io is built with Angular, Express, Node.js, Google Analytics, Google Ads.
Is nslookup.io secure (HTTPS)?
Yes. nslookup.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 9, 2026.
Who hosts nslookup.io?
nslookup.io is hosted on Cloudflare, behind Cloudflare CDN.
What is nslookup.io's SEO score?
nslookup.io scored 100/100 for SEO in the latest analysis (excellent).
What is nslookup.io's overall website score?
nslookup.io has an overall SiteGraph score of 98/100, combining SEO, performance, security, and accessibility.
Is nslookup.io hiring?
nslookup.io has a careers page; check it directly for current openings.