21-civilization.com website report
Authority, global rank, the websites that link to 21-civilization.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 21-civilization.com?
21-civilization.com has an XKey authority of 14 out of 100, which makes it a young or little-linked website. It ranks #9,521,838 of 133,241,980 websites by how central it is to the web's links – the top 8%. 10 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 21-civilization.com?
The 10 strongest websites linking to 21-civilization.com, by link strength (0–100). Select any one to see its own report.
| # | Website linking to it | Link strength |
|---|---|---|
| 1 | ameblo.jp | 71 |
| 2 | main.jp | 61 |
| 3 | mex.com | 56 |
| 4 | ssl-lolipop.jp | 52 |
| 5 | moo.jp | 52 |
| 6 | cindylaup.com | 28 |
| 7 | mylisthero.com | 20 |
| 8 | s-tribe.net | 11 |
| 9 | rdxextremez.com | 8 |
| 10 | xn--eckk2fua6dvc6h.jp | 0 |
When was 21-civilization.com registered?
21-civilization.com was registered on 30 October 1996 through Japan Registry Services Co., Ltd., and is paid up until 29 October 2027.
| Registered | 30 October 1996 |
|---|---|
| Expires | 29 October 2027 |
| Last updated | 2 September 2026 |
| Registrar | Japan Registry Services Co., Ltd. |
| Name servers | ns.admiral.ne.jp, ns2.admiral.ne.jp |
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 21-civilization.com hosted, and what is it built with?
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Link data: Common Crawl web graph, July–September 2026. Registration data: the domain registry, checked 1 November 2026. Look up another website on the website report page.