os161.org valuation and analysis
Robots.txt Information
| Robot | Path | Permission |
| GoogleBot | / | ✔ |
| BingBot | / | ✔ |
| BaiduSpider | / | ✔ |
| YandexBot | / | ✔ |
Meta Tags
| Title | OS/161 |
| Description | The OS/161 Instructional Operating The OS/161 Instructional Operating System about OS/161 | about System/161 | project news | publications | license | credits download | guides and resource |
| Keywords | N/A |
Server Information
| WebSite | |
| Host IP | 173.66.162.52 |
| Location | United States |
Related Websites
| Site | Rank |
More to Explore
os161.org Valuation
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US$2,267,839
Last updated: 2023-05-15 19:23:08
os161.org has Semrush global rank of 4,667,132. os161.org has an estimated worth of US$ 2,267,839, based on its estimated Ads revenue. os161.org receives approximately 261,674 unique visitors each day. Its web server is located in United States, with IP address 173.66.162.52. According to SiteAdvisor, os161.org is safe to visit. |
Traffic & Worth Estimates
| Purchase/Sale Value | US$2,267,839 |
| Daily Ads Revenue | US$2,094 |
| Monthly Ads Revenue | US$62,802 |
| Yearly Ads Revenue | US$753,621 |
| Daily Unique Visitors | 17,445 |
| Note: All traffic and earnings values are estimates. | |
DNS Records
| Host | Type | TTL | Data |
| os161.org. | A | 10800 | IP: 173.66.162.52 |
| os161.org. | NS | 10800 | NS Record: ns6.gandi.net. |
| os161.org. | NS | 10800 | NS Record: ns.bantha.org. |
| os161.org. | MX | 10800 | MX Record: 10 bantha.org. |
| os161.org. | MX | 10800 | MX Record: 20 mail.azuen.net. |
| os161.org. | TXT | 10800 | TXT Record: v=spf1 ip4:173.66.162.52 ip4:96.237.178.170 -all |
HtmlToTextCheckTime:2023-05-15 19:23:08
| The OS/161 Instructional Operating System about OS/161 | about System/161 | project news | publications | license | credits download | guides and resources | documentation | for instructors | bugs | mailing lists About OS/161 OS/161 is a teaching operating system, that is, a simplified system used for teaching undergraduate operating systems classes. It is BSD-like in feel and has more "reality" than most other teaching OSes; while it runs on a simulator it has the structure and design of a larger system. There are two supported branches of OS/161: the 1.x branch, first launched in 2001, provides a uniprocessor kernel programming environment; and the 2.x branch, which debuted in 2009 and was finally fully released in 2015, moves into the multicore era by adding multiprocessor support and other more modern attributes. Both of these branches are actively maintained. OS/161 includes both a kernel of conventional ("macrokernel") design and a simple userland, including a variety of test |
HTTP Headers
HTTP/1.1 200 OK Date: Mon, 10 Jan 2022 08:27:59 GMT Server: Apache/2.4.49 (Unix) Last-Modified: Thu, 12 Jan 2017 02:45:30 GMT ETag: "1a70-545dcb5df8680" Accept-Ranges: bytes Content-Length: 6768 Content-Type: text/html |
os161.org Whois Information
Domain Name: OS161.ORG Registry Domain ID: D402200000017555086-LROR Registrar WHOIS Server: whois.gandi.net Registrar URL: http://www.gandi.net Updated Date: 2021-10-12T03:46:34Z Creation Date: 2021-08-12T04:09:24Z Registry Expiry Date: 2022-08-12T04:09:24Z Registrar: Gandi SAS Registrar IANA ID: 81 Registrar Abuse Contact Email: abuse@support.gandi.net Registrar Abuse Contact Phone: +33.170377661 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registrant State/Province: MA Registrant Country: US Name Server: NS6.GANDI.NET Name Server: NS.BANTHA.ORG DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/) >>> Last update of WHOIS database: 2022-01-10T14:06:45Z <<< |