DomainSummarygrc.com ("Gibson Research - Internet security resource featuring Shields Up - tests PCs ports for resistance against hacking and a CIH virus recovery tool.") is a domain controlled by two nameservers at customer.level3.net. They are on the same IP network. Incoming mail for grc.com is handled by one mailserver at com. grc.com has one IP number , which also has a corresponding reverse pointer. ns2.grc.com, image.grc.com, dns2005.grc.com, client1.grc.com and http3a2f2fwww.grc.com cnames to this hostname. grc.com use this as a mailserver. lwin.com, pquad.net, p-quad.net, grctech.com, grcmail.com and at least 87 other hosts share nameservers with this domain. ns2.grc.com, ns1.grc.com, www.grc.com, dns.grc.com, news.grc.com and at least nine other hosts are subdomains to this hostname. grc.com is ranked #31479 world wide and is hosted on a server in United States. It is listed in Computers/Security/Internet/Products_and_Tools and Computers/Security/Internet/Privacy/Products_and_Tools.Trustworthiness, vendor reliability, privacy and child safety of this site is excellent. (more on reputation). CategoriesRatings
Automatic review of grc.comgrc.com has been automatically reviewed
at 2010-01-06
by robtex | Check | Result | | NS on different IP networks | | NO | | NS delegation consistent with zone | YES | | | Listed in DMOZ | YES | | | Listed in Alexa top 100000 | YES | | | Good WOT rating | YES | |
Total score 40/50 normalized to 4 stars
 This is experimental beta, more checks are added shortly
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(less...) DNS Records| Base | Record | Name | IP | Reverse | Route | AS | | grc.com | a | 4.79.142.200 United States | 4.0.0.0/9 Proxy-registered route object | AS3356 Level3 Level 3 Communications | | ns-soa | grc.com | 4.79.142.200 United States | | ns | ns4.customer.level3.net | 209.244.4.53 United States | 209.244.0.0/14 Level 3 Communications | | ns6.customer.level3.net | 209.244.4.85 United States | | mx | 10 | grc.com | 4.79.142.200 United States | 4.0.0.0/9 Proxy-registered route object | | 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 |
net gtld-servers.net customer.level3.net level3.net Thumbnails powered by ThumbshotsShareddomains using this as mailservergrc.com(primary)
mailservers used by this domaingrc.com(primary)
reverse names of the mailserversgrc.com
WhoisWhois information is fetched in the background BlacklistsBlacklist information is fetched in the background AnalysisAnalysis is performed in the background ContactContact information is fetched in the background | |