hostinfo

thegreatcourses.com

thegreatcourses.com

63
5

Overview

IP204.74.99.100
Hosted CountryUnited States
Provider—
Registration Date1999-01-27 (27 years 8 months ago)
Expiration Date—
RegistrarNetwork Solutions, LLC
Safe BrowsingNo risk issues
Risk Score 5/100 · low
No owner email in WHOIS (+5)
PageSpeed ScoreCheck PageSpeed →
Speed testRun speed test →
Last analysis: (7 years 8 months ago)

DNS

A204.74.99.100
NSudns1.ultradns.net
NSudns2.ultradns.net
SOAudns1.ultradns.net SysMgr.teachco.com 2013091127 10800 3600 2592000 86400
MX10 cluster2.us.messagelabs.com
MX20 cluster2a.us.messagelabs.com
MX30 thegreatcourses-com.mail.protection.outlook.com
TXTv=spf1 ip4:98.191.169.135 ip4:98.191.169.155 ip4:65.196.97.26 ip4:65.196.97.14 ip4:65.196.97.31 ip4:63.146.114.254 ip4:63.146.114.253 ip4:67.129.116.186 ip4:54.183.48.159 ip4:66.231.88.207 ip4:66.231.89.168 ip4:65.196.97.6 ip4:98.191.169.132 ip4:67.129.116.187 ip4:67.129.116.188 include:spf.messagelabs.com include:spf.protection.outlook.com -all
TXTgoogle-site-verification=6emat9Lp9FWQsTYNsKzi0_-3QKeUd_-2Q6tZnsG5Q3s
TXTMS=ms67145426

HTTP Header Analysis

Http-Version 1.1
Status-Code 200
Status 200 OK
Content-Type text/html; charset=UTF-8
Server nginx/1.10.3
Vary Accept-Encoding
X-Powered-By PHP/5.5.9-1ubuntu4.21
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma no-cache
P3p CP="CAO PSA OUR"
Content-Encoding gzip
Date Tue, 22 Jan 2019 17:33:45 GMT
Content-Length 34296
Connection keep-alive

WHOIS

RegistrarNetwork Solutions, LLC
Registration Date1999-01-27 (27 years 8 months ago)
Updated2017-11-28
Expiration Date—
Status —
Name servers udns1.ultradns.net, udns2.ultradns.net 
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Timeline

  1. 1999-01-27
    Domain registered
    1999-01-27