astronomy.com website report
Authority, global rank, the websites that link to astronomy.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 astronomy.com?
astronomy.com has an XKey authority of 51 out of 100, which makes it a very strong website. It ranks #9,245 of 133,241,980 websites by how central it is to the web's links – the top 0.01%. 6,976 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 astronomy.com?
The 50 strongest websites linking to astronomy.com, by link strength (0–100). Select any one to see its own report.
| # | Website linking to it | Link strength |
|---|---|---|
| 1 | google.com | 99 |
| 2 | wikipedia.org | 88 |
| 3 | europa.eu | 84 |
| 4 | amazonaws.com | 83 |
| 5 | blogspot.com | 82 |
| 6 | spotify.com | 82 |
| 7 | squarespace.com | 82 |
| 8 | github.io | 78 |
| 9 | weebly.com | 78 |
| 10 | medium.com | 78 |
| 11 | wikimedia.org | 77 |
| 12 | wixsite.com | 76 |
| 13 | hatena.ne.jp | 75 |
| 14 | blogger.com | 75 |
| 15 | harvard.edu | 75 |
| 16 | substack.com | 75 |
| 17 | outlook.com | 74 |
| 18 | tinyurl.com | 74 |
| 19 | bing.com | 74 |
| 20 | mit.edu | 72 |
| 21 | rakuten.co.jp | 72 |
| 22 | stanford.edu | 72 |
| 23 | mail.ru | 72 |
| 24 | time.com | 72 |
| 25 | nasa.gov | 71 |
| 26 | ted.com | 71 |
| 27 | latimes.com | 70 |
| 28 | frontiersin.org | 70 |
| 29 | weforum.org | 70 |
| 30 | cambridge.org | 70 |
| 31 | berkeley.edu | 69 |
| 32 | free.fr | 69 |
| 33 | livejournal.com | 68 |
| 34 | netlify.app | 68 |
| 35 | constantcontact.com | 68 |
| 36 | columbia.edu | 68 |
| 37 | oracle.com | 68 |
| 38 | house.gov | 68 |
| 39 | airbnb.com | 67 |
| 40 | jstor.org | 67 |
| 41 | vice.com | 67 |
| 42 | nist.gov | 67 |
| 43 | umich.edu | 67 |
| 44 | entrepreneur.com | 67 |
| 45 | upenn.edu | 67 |
| 46 | psu.edu | 67 |
| 47 | va.gov | 67 |
| 48 | umn.edu | 66 |
| 49 | sakura.ne.jp | 66 |
| 50 | telegra.ph | 66 |
Showing the strongest 50 of 6,976. Compare astronomy.com with a competitor in the backlink checker.
When was astronomy.com registered?
astronomy.com was registered on 10 January 1995 through GoDaddy.com, LLC, and is paid up until 9 January 2029.
| Registered | 10 January 1995 |
|---|---|
| Expires | 9 January 2029 |
| Last updated | 24 July 2025 |
| Registrar | GoDaddy.com, LLC |
| Name servers | emma.ns.cloudflare.com, leo.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 astronomy.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 astronomy.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 2 November 2026. Look up another website on the website report page.