21c-learning.com website report
Authority, global rank, the websites that link to 21c-learning.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 21c-learning.com?
21c-learning.com has an XKey authority of 29 out of 100, which makes it a moderately established website. It ranks #545,283 of 133,241,980 websites by how central it is to the web's links – the top 0.41%. 105 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 21c-learning.com?
The 50 strongest websites linking to 21c-learning.com, by link strength (0–100). Select any one to see its own report.
| # | Website linking to it | Link strength |
|---|---|---|
| 1 | apple.com | 88 |
| 2 | blogspot.com | 82 |
| 3 | libsyn.com | 66 |
| 4 | cvent.com | 62 |
| 5 | einpresswire.com | 60 |
| 6 | mex.com | 56 |
| 7 | feedspot.com | 55 |
| 8 | addevent.com | 54 |
| 9 | rikkyo.ac.jp | 49 |
| 10 | careerexplorer.com | 48 |
| 11 | nordangliaeducation.com | 45 |
| 12 | radio.net | 44 |
| 13 | wcmia.fr | 40 |
| 14 | tieonline.com | 38 |
| 15 | classpoint.io | 37 |
| 16 | hippasus.com | 36 |
| 17 | globalmediawatch.com | 34 |
| 18 | theworldnewswire.com | 33 |
| 19 | worldadvertisingreport.com | 33 |
| 20 | todayinmarcom.com | 33 |
| 21 | esf.edu.hk | 33 |
| 22 | themarketingcommunicator.com | 32 |
| 23 | punyamishra.com | 30 |
| 24 | fobisia.org | 30 |
| 25 | seq.org | 30 |
| 26 | 21clconf.org | 30 |
| 27 | yis.ac.jp | 29 |
| 28 | inventtolearn.com | 29 |
| 29 | festival.org.hk | 27 |
| 30 | faria.org | 27 |
| 31 | urstrong.com | 26 |
| 32 | acamis.org | 25 |
| 33 | aseanschoolawards.org | 25 |
| 34 | schoolnet.org.za | 25 |
| 35 | savremena-gimnazija.edu.rs | 24 |
| 36 | gbaschoolawards.org | 24 |
| 37 | manhassetschools.org | 23 |
| 38 | deborahabela.com | 23 |
| 39 | 21clhk.org | 22 |
| 40 | wonderfulidea.co | 22 |
| 41 | theteamie.com | 21 |
| 42 | educationjournalofasia.com | 20 |
| 43 | globalwellnesstimes.com | 20 |
| 44 | ipadartroom.com | 20 |
| 45 | mylisthero.com | 20 |
| 46 | leighgraveswolf.com | 19 |
| 47 | phase.community | 19 |
| 48 | mace-ks.org | 19 |
| 49 | elearningworld.org | 19 |
| 50 | offseas.community | 19 |
Showing the strongest 50 of 105. Compare 21c-learning.com with a competitor in the backlink checker.
When was 21c-learning.com registered?
21c-learning.com was registered on 4 December 2012 through NameCheap, Inc., and is paid up until 4 December 2027.
| Registered | 4 December 2012 |
|---|---|
| Expires | 4 December 2027 |
| Last updated | 4 November 2026 |
| Registrar | NameCheap, Inc. |
| Name servers | ns-1033.awsdns-01.org, ns-133.awsdns-16.com, ns-1986.awsdns-56.co.uk, ns-865.awsdns-44.net |
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 21c-learning.com hosted, and what is it built with?
We check the live website when you ask, so this page stays fast.
More free checks for 21c-learning.com
- Full SEO check – about 50 checks for Google and AI search
- SSL checker – certificate and https
- DNS lookup and MX lookup
- Hosting checker and technology checker
- Domain age checker for up to 100 sites at once
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.