- Donotcall is a domain within the top level domain gov.

IP Addresses and Server Locations resolves to According to our data this IP address belongs to Level 3 Communications and is located in United States. Please have a look at the information provided below for further details.

ISP/OrganizationLevel 3 Communications
LocationUnited States (US)
Latitude37.7510 / 37°45′3″ N
Longitude-97.8220 / 97°49′19″ W

DNS Resource Records

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WHOIS data for


Website Information

Response Code200 OK
Server SoftwareMicrosoft-IIS/7.5
Website URL
Website TitleNational Do Not Call Registry

Raw HTTP Header

HTTP/1.0 301 Moved Permanently
Server: BigIP
Connection: Keep-Alive
Content-Length: 0

HTTP/1.1 200 OK
Cache-Control: private
Content-Length: 4563
Content-Type: text/html; charset=utf-8
Server: Microsoft-IIS/7.5
X-AspNet-Version: 4.0.30319
Set-Cookie: ASP.NET_SessionId=ebyhhzpj1bl3wceoyjexmgm4; path=/; HttpOnly
X-Powered-By: ASP.NET
P3P: policyref=""
Date: Thu, 22 Feb 2018 05:54:16 GMT
Connection: keep-alive
Set-Cookie: DSLB=!4f/t9I8UgqV52xRCBYRvXk8vOJZ+02r2Cz+qWijdaJ+/PGj/YfU4ur1/VkznT3O5p3scOQhI9dKenMw=; path=/; Httponly; Secure
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Vary: Accept-Encoding
Content-Encoding: gzip

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