www.physicsclassroom.com

Domain

www.physicsclassroom.com ("The Physics Classroom - Tutorials and practice exercises for high school physics. Includes animations, diagrams, and multimedia examples.") has one IP number , which is the same as for physicsclassroom.com, via cname. physicsclassroom.com is a domain controlled by four nameservers. All of them are on different IP networks. Incoming mail for physicsclassroom.com is handled by two mailservers on the same IP network. www.physicsclassroom.com is ranked #84097 world wide as physicsclassroom.com and is hosted on a server in United States. It is listed in Kids_and_Teens/School_Time/Science/Physics and Science/Physics/Education/Tutorials.Trustworthiness, vendor reliability, privacy and child safety of this site is excellent. (more on reputation).

Automatic review of www.physicsclassroom.com
www.physicsclassroom.com has been automatically reviewed at 2010-01-08 by robtex

Check	Result
NS on different IP networks	YES
NS delegation consistent with zone	YES
Listed in DMOZ	YES
Listed in Alexa top 100000	YES
Good WOT rating	YES

Total score 50/50 normalized to 5 stars

This is experimental beta, more checks are added shortly

Base	Record	Name		IP	Reverse	Route	AS
www.physicsclassroom.com	cname	physicsclassroom.com		149.28.119.169 United States	(none)	149.28.64.0/18 Proxy-registered route object	AS3820 APS-DOT-ORG APS proxy-registered route object
physicsclassroom.com	a			149.28.119.169 United States	(none)
	ns-soa	exeter.acp.org		149.28.112.2 United States
	ns	ns1.xo.com		207.155.248.16 United States		207.155.248.0/21	AS4908 XO-AS17 XO Communications
		ns3.xo.com		207.88.20.31 United States		207.88.0.0/16 XO Communications XOXO-BLK-2 XO Communications 11111 Sunset Hills Road Reston, VA 20190-5339 Network Operations <stlnmc@xo.com> +1.314.787.7777 Network Violations <abuse@xo.com>	AS2828 XO Communications, Inc. 11111 Sunset Hills Road Reston, VA 20190-5339 Network Operations <stlnmc@xo.com> +1.314.787.7777 Network Violations <abuse@xo.com>
		exeter.acp.org		149.28.112.2 United States		149.28.64.0/18 Proxy-registered route object	AS3820 APS-DOT-ORG APS proxy-registered route object
		newman.acp.org		144.202.247.133 United States	(none)	144.202.0.0/16	AS26094 TXPETROCHEM Texas Petrochemicals, LLC
	mx	20	milquetoast.aapt.org	149.28.119.111 United States		149.28.64.0/18 Proxy-registered route object	AS3820 APS-DOT-ORG APS proxy-registered route object
	mx	10	neptune.compadre.org	149.28.119.112 United States		149.28.64.0/18 Proxy-registered route object	AS3820 APS-DOT-ORG APS proxy-registered route object

dot

	cname
		hostnames sharing ip with a-records
physicsclassroom.com	X	X

Whois information is fetched in the background

Blacklist information is fetched in the background

Analysis is performed in the background

Contact information is fetched in the background

alternatives: wml, rss (beta)

r a n d o m
date20100108 rtsakmarka rtsakmark8