Site report for http://www.irs.gov
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| Site title | Internal Revenue Service | An official website of the United States government |
|---|---|
| Site rank | 9977 |
| Description | Not Present |
| Date first seen | July 1997 |
|---|---|
| Netcraft Risk Rating | 0/10 |
| Primary language | English |
| Site | http://www.irs.gov |
|---|---|
| Netblock Owner | Akamai Technologies, Inc. |
| Domain | irs.gov |
| Nameserver | ns1.irs.gov |
| IP address | 23.3.118.55 (VirusTotal) |
| DNS admin | it.aciouns.external.dns.admin@irs.gov |
| IPv6 address | 2600:1401:4000:5ac:0:0:0:f50 |
| Reverse DNS | a23-3-118-55.deploy.static.akamaitechnologies.com |
| Domain registrar | unknown |
|---|---|
| Nameserver organisation | unknown |
| Organisation | unknown |
| Hosting company | Akamai Technologies |
| Top Level Domain | Govermental entities (.gov) |
| DNS Security Extensions | Enabled |
| Hosting country | US |
| IP range | Country | Name | Description |
|---|---|---|---|
| 0.0.0.0-255.255.255.255 | N/A | IANA-BLK | The whole IPv4 address space |
| ↳ 23.0.0.0-23.255.255.255 | United States | NET23 | American Registry for Internet Numbers |
| ↳ 23.0.0.0-23.15.255.255 | United States | AKAMAI | Akamai Technologies, Inc. |
| ↳ 23.3.118.55 | United States | AKAMAI | Akamai Technologies, Inc. |
| IP range | Country | Name | Description |
|---|---|---|---|
| ::/0 | N/A | ROOT | Root inet6num object |
| ↳ 2600::/12 | United States | NET6-2600 | American Registry for Internet Numbers |
| ↳ 2600:1400::/24 | United States | AKAMAI | Akamai Technologies, Inc. |
| ↳ 2600:1401:4000:5ac:0:0:0:f50 | United States | AKAMAI | Akamai Technologies, Inc. |
This is not a HTTPS site. If you're looking for SSL/TLS information try the HTTPS site report.
A host's Sender Policy Framework (SPF) describes who can send mail on its behalf. This is done by publishing an SPF record containing a series of rules. Each rule consists of a qualifier followed by a specification of which domains to apply this qualifier to. For more information please see open-spf.org.
Warning: It appears that this host does not have an SPF record. There may be an SPF record on irs.gov: Check the site report.
Setting up an SPF record helps prevent the delivery of forged emails from your domain. Please note that an SPF record will only protect the domain it is added to and not any mail-enabled subdomains. It is recommended to add an SPF record to any subdomain with an MX record.
DMARC (Domain-based Message Authentication, Reporting and Conformance) is a mechanism for domain owners to indicate how mail purporting to originate from their domain should be authenticated. It builds on SPF and DKIM, providing a method to set policy and to give reporting of failures. For more information please see dmarc.org.
This host does not have a DMARC record. There may be a DMARC record on the site report for irs.gov: Check the site report.
Web Trackers are third-party resources loaded onto a webpage. Trackable resources include social sharing widgets, javascript files, and images. These trackers can be used to monitor individual user behaviour across the web. Data derived from these trackers are primarily used for advertising or analytics purposes.
4 known trackers were identified.| Company | Primary Category | Tracker | Popular Sites with this Tracker |
|---|---|---|---|
| AddToAny | Widget | Addtoany | www.xozilla.com, www.6chat.org, www.cvent.com |
| Analytics | Googletagmanager | www.t-online.de, www.researchgate.net, www.zhihu.com | |
| Widget | YouTube | www.linkedin.com, www8.hp.com, www.pccomponentes.com | |
| Widget | www.drudgereport.com, www.wikiwand.com, www.woot.com |
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Includes all the main technologies that run on the browser (such as JavaScript and Adobe Flash).
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A content delivery network or content distribution network (CDN) is a large distributed system of servers deployed in multiple data centers in the Internet. The goal of a CDN is to serve content to end-users with high availability and high performance.
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PHP is an open source server-side scripting language designed for Web development to produce dynamic Web pages.
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A character encoding system consists of a code that pairs each character from a given repertoire with something else such as a bit pattern, sequence of natural numbers, octets, or electrical pulses in order to facilitate the transmission of data (generally numbers or text) through telecommunication networks or for data storage.
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HTTP compression is a capability that can be built into web servers and web clients to make better use of available bandwidth, and provide greater transmission speeds between both.
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Web browser targeting enables software applications to make use of specific functions of the browser as well as optimizing the application for specific browser versions.
Technology Description Popular sites using this technology Strict Transport Security Web security policy mechanism whereby a web server declares that complying user agents are to interact with it using only secure HTTP connections login.microsoftonline.com, login.live.com, disqus.com Document Compatibility Mode A meta-tag used in Internet Explorer 8 to enable compatibility mode www.msn.com, teams.microsoft.com, trello.com X-Content-Type-Options Browser MIME type sniffing is disabled github.com, medium.com, vars.hotjar.com X-Frame-Options Same Origin Do not allow this site to be rendered within an iframe www.google.com, accounts.google.com -
A Document Type Declaration, or DOCTYPE, is an instruction that associates a particular SGML or XML document (for example, a webpage) with a Document Type Definition (DTD).
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HTML5 is a markup language for structuring and presenting content for the World Wide Web and a core technology of the Internet. It is the fifth revision of the HTML standard.
Technology Description Popular sites using this technology Viewport meta tag HTML5 tag usually used for mobile optimization login.salesforce.com -
Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation semantics (the look and formatting) of a document written in a markup language (such as XHTML).
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