gu21.com website report
Authority, global rank, the websites that link to gu21.com, when it was registered and where it's hosted – free, from public data.
authority
global rank of 133,241,980
websites link to it
domain age
How strong is gu21.com?
gu21.com has an XKey authority of 4 out of 100, which makes it a young or little-linked website. It ranks #59,830,679 of 133,241,980 websites by how central it is to the web's links – the top 45%. 3 different websites link to it.
Authority comes from Common Crawl's map of links between websites (July–September 2026): a site linked from many well-linked sites scores high. Google doesn't use this number, but it tracks the kind of link strength that helps pages rank. What is domain authority?
Which websites link to gu21.com?
The 3 strongest websites linking to gu21.com, by link strength (0–100). Select any one to see its own report.
| # | Website linking to it | Link strength |
|---|---|---|
| 1 | optomet.com | 21 |
| 2 | testingexpo-korea.com | 19 |
| 3 | vibro.kr | 4 |
When was gu21.com registered?
gu21.com was registered on 28 September 1999 through Network Solutions, LLC, and is paid up until 28 September 2029.
| Registered | 28 September 1999 |
|---|---|
| Expires | 28 September 2029 |
| Last updated | 26 September 2024 |
| Registrar | Network Solutions, LLC |
| Name servers | sasha.ns.cloudflare.com, syeef.ns.cloudflare.com |
Straight from the domain registry. Owners' personal details are hidden by law, so to reach the owner use the website's own contact page or the registrar. Full record: WHOIS lookup.
Where is gu21.com hosted, and what is it built with?
We check the live website when you ask, so this page stays fast.
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Link data: Common Crawl web graph, July–September 2026. Registration data: the domain registry, checked 12 November 2026. Look up another website on the website report page.