mathman.biz valuation and analysis
Robots.txt Information
| Robot | Path | Permission |
| GoogleBot | / | ✔ |
| BingBot | / | ✔ |
| BaiduSpider | / | ✔ |
| YandexBot | / | ✔ |
Meta Tags
| Title | Don Cohen - "The Mathman" - |
| Description | Don Cohen "The Mathman" Don Cohen "The Mathman" 1930-2015 About Don Donald "The Mathman" Cohen was a great educator and influenced thousands of children and adults throughout his |
| Keywords | N/A |
Server Information
| WebSite | |
| Host IP | 192.30.252.154 |
| Location | United States |
Related Websites
| Site | Rank |
More to Explore
mathman.biz Valuation
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US$2,913,514
Last updated: 2023-05-01 08:29:47
mathman.biz has Semrush global rank of 3,632,831. mathman.biz has an estimated worth of US$ 2,913,514, based on its estimated Ads revenue. mathman.biz receives approximately 336,175 unique visitors each day. Its web server is located in United States, with IP address 192.30.252.154. According to SiteAdvisor, mathman.biz is safe to visit. |
Traffic & Worth Estimates
| Purchase/Sale Value | US$2,913,514 |
| Daily Ads Revenue | US$2,690 |
| Monthly Ads Revenue | US$80,682 |
| Yearly Ads Revenue | US$968,184 |
| Daily Unique Visitors | 22,412 |
| Note: All traffic and earnings values are estimates. | |
DNS Records
| Host | Type | TTL | Data |
| mathman.biz. | A | 300 | IP: 192.30.252.154 |
| mathman.biz. | A | 300 | IP: 192.30.252.153 |
| mathman.biz. | NS | 86400 | NS Record: ns-132.awsdns-16.com. |
| mathman.biz. | NS | 86400 | NS Record: ns-1813.awsdns-34.co.uk. |
| mathman.biz. | NS | 86400 | NS Record: ns-686.awsdns-21.net. |
| mathman.biz. | NS | 86400 | NS Record: ns-1072.awsdns-06.org. |
HtmlToTextCheckTime:2023-05-01 08:29:47
| Don Cohen "The Mathman" 1930-2015 About Don Donald "The Mathman" Cohen was a great educator and influenced thousands of children and adults throughout his life. He began teaching in the 1950s and continued his work through The Math Program which started in 1976 in Champaign/Urbana, IL with partner Jerry Glenn. Don continued teaching right up until he passed away in 2015 at age 85. Don’s books and other materials continue to be treasures for all who are interested in math or math education. Visit Don’s website , or read his vita to learn more. Download Don’s Teaching Materials Calculus by and for Young People (50MB PDF Book) Calculus by and for Young People: Worksheets (25MB PDF Book) Changing Shapes with Matrices (23MB PDF Book) On Thinking About and Doing Mathematics - A Map To Calculus (5MB PDF Poster) How Don Started Teaching (11MB PDF Document) Watch Don’s |
HTTP Headers
HTTP/1.1 200 OK Server: GitHub.com Date: Sat, 23 Oct 2021 23:09:25 GMT Content-Type: text/html; charset=utf-8 Content-Length: 3131 Vary: Accept-Encoding Last-Modified: Sun, 22 Nov 2015 18:58:58 GMT Vary: Accept-Encoding Access-Control-Allow-Origin: * ETag: "56521072-c3b" expires: Sat, 23 Oct 2021 23:19:25 GMT Cache-Control: max-age=600 Accept-Ranges: bytes x-proxy-cache: MISS X-GitHub-Request-Id: EBAA:17F8:34F705A:4C936C2:61749625 |
mathman.biz Whois Information
Domain Name: mathman.biz Registry Domain ID: D14576282-BIZ Registrar WHOIS Server: whois.namecheap.com Registrar URL: http://www.namecheap.com Updated Date: 2021-09-17T15:36:06Z Creation Date: 2006-09-14T20:36:05Z Registry Expiry Date: 2022-09-13T23:59:59Z Registrar: NameCheap, Inc. Registrar IANA ID: 1068 Registrar Abuse Contact Email: abuse@namecheap.com Registrar Abuse Contact Phone: +1.6613102107 Domain Status: ok https://icann.org/epp#ok Registrant State/Province: Capital Region Registrant Country: IS Name Server: ns-1072.awsdns-06.org Name Server: ns-132.awsdns-16.com Name Server: ns-1813.awsdns-34.co.uk Name Server: ns-686.awsdns-21.net DNSSEC: unsigned >>> Last update of WHOIS database: 2022-03-02T10:49:29Z <<< |