Summary
healthstream.com ("HealthStream - Offers OSHA/JCAHO regulatory courses, continuing medical education (CME) and continuing education (CEUs) courses for hospitals and other healthcare organizations.") is delegated to four nameservers, however all four delegated nameservers are missing in the zone and four other nameservers are listed instead. There are four duplicated IP numbers. Some of them are on the same IP network. Incoming mail for
healthstream.com is handled by three mailservers at
healthstream.com themselves. All of them are on different IP networks.
healthstream.com has one IP number.
cmesearch.com,
orprotocol.com,
www.cmesearch.com and
www.healthstream.com point to the same IP.
buy.com,
nlg.com,
alfy.com,
wlns.com,
yupi.com and at least 28 other hosts share nameservers with this domain.
sqt.com,
eddesign.com,
cecourses.com,
cecourses.net,
dmrsurveys.com and at least three other hosts share mailservers with this domain.
www.healthstream.com,
mail.healthstream.com,
mail3.healthstream.com,
hsmail.healthstream.com,
hsmail-dr.healthstream.com and at least two other hosts are subdomains to this hostname.
healthstream.com is ranked #144745 world wide and is hosted on a server in United States. It is listed in
Health/Medicine/Education/Continuing_Medical_Education.Trustworthiness of this site is excellent.
(more on reputation).
Categories
Ratings
Automatic review of
healthstream.comhealthstream.com has been automatically reviewed
at
2009-12-29
by
robtex | Check | Result |
| NS on different IP networks | YES | |
| NS delegation consistent with zone | | NO |
| Listed in DMOZ | YES | |
| Listed in Alexa top 100000 | | NO |
| Good WOT rating | YES | |
Total score 30/50 normalized to
3 stars
This is experimental beta, more checks are added shortly
| Base | Record | Name | IP | Reverse | Route | AS |
| healthstream.com | a | 64.37.254.210 United States | (none) | 64.37.192.0/18 | AS3561 SAVVIS Communications |
| ns-soa | dns01.savvis.net | 209.1.222.244 United States | 209.1.0.0/16 |
| ns | dns01.exodus.net (only in delegation) | 209.1.222.244 United States | dns01.savvis.net |
| dns02.exodus.net (only in delegation) | 209.1.222.245 United States | dns02.savvis.net |
| dns03.exodus.net (only in delegation) | 209.1.222.246 United States | dns03.savvis.net |
| dns04.exodus.net (only in delegation) | 209.1.222.247 United States | dns04.savvis.net |
| dns01.savvis.net (only in zone) | 209.1.222.244 United States |
| dns02.savvis.net (only in zone) | 209.1.222.245 United States |
| dns03.savvis.net (only in zone) | 209.1.222.246 United States |
| dns04.savvis.net (only in zone) | 209.1.222.247 United States |
| mx | 100 | hsmail.healthstream.com | 64.37.254.240 United States | 64.37.192.0/18 |
| 100 | hsmail-dr.healthstream.com | 67.216.167.63 United States | (none) | 67.216.164.0/22 | AS14835 RENTECH Renaissance Application Facility, LLC. |
| 10 | mail.healthstream.com | 67.90.152.198 United States | 67.88.0.0/13 XO Communications IALG-ALGX-9 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> |
| com | ns-soa | a.gtld-servers.net | 192.5.6.30 United States | 192.5.6.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| ns | a.gtld-servers.net | 192.5.6.30 United States |
| b.gtld-servers.net | 192.33.14.30 United States | 192.33.14.0/24 VeriSign Route | AS26415 VERISIGN-AS VeriSign, Inc |
| c.gtld-servers.net | 192.26.92.30 United States | 192.26.92.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| d.gtld-servers.net | 192.31.80.30 United States | 192.31.80.0/24 VeriSign Route | AS36617 VERISIGN-AS VeriSign, Inc |
| e.gtld-servers.net | 192.12.94.30 United States | 192.12.94.0/24 VeriSign Route | AS36629 VERISIGN-AS VeriSign, Inc |
| f.gtld-servers.net | 192.35.51.30 United States | 192.35.51.0/24 VeriSign Route | AS36620 VERISIGN-AS VeriSign, Inc |
| g.gtld-servers.net | 192.42.93.30 United States | 192.42.93.0/24 VeriSign Route | AS36624 VERISIGN-AS VeriSign, Inc |
| h.gtld-servers.net | 192.54.112.30 United States | 192.54.112.0/24 VeriSign Route | AS36623 VERISIGN-AS VeriSign, Inc |
| i.gtld-servers.net | 192.43.172.30 United States | 192.43.172.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| j.gtld-servers.net | 192.48.79.30 United States | 192.48.79.0/24 VeriSign Route | AS36626 VERISIGN-AS VeriSign, Inc |
| k.gtld-servers.net | 192.52.178.30 United States | 192.52.178.0/24 VeriSign Route | AS36622 VERISIGN-AS VeriSign, Inc |
| l.gtld-servers.net | 192.41.162.30 United States | 192.41.162.0/24 VeriSign Route | AS36628 VERISIGN-AS VeriSign, Inc |
| m.gtld-servers.net | 192.55.83.30 United States | 192.55.83.0/24 VeriSign Route | AS36618 VERISIGN-AS VeriSign, Inc |