nslookup.io
DNS Lookup Tool – Check DNS Records and Nameservers
Last scanned Aug 24, 2026, 1:23 PM
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
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
SEO
0 issue(s) found
Performance
770 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
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.
- john@example.com
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
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
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
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
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/
See something wrong on this report? Request a correction
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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.
OpenGraph & Twitter Card
OpenGraph
Twitter Card