Summary
cogentco.com ("Cogent Communications - Multinational Tier 1 Internet service provider. Provides internet access, services and products, including dedicated and dial-up internet connectivity, corporate intranets, web hosting and collocation, remote user access, multi-currency electronic commerce and security services. (Nasdaq: CCOI).") is a domain controlled by four nameservers at
dns.cogentco.com. Two of them are on the same IP network. Incoming mail for
cogentco.com is handled by five mailservers. Some of them are on the same IP network.
cogentco.com has one IP number , which also has a corresponding reverse pointer.
www.cogentco.com cnames to this hostname.
crbcp.com,
esassoc.com and
brasilemb.org share both nameservers and mailservers with this domain.
plt.org,
awc.org,
psi.com,
pmac.ca,
dwr.com and at least 32 other hosts share nameservers with this domain.
pml.ca,
gbc.ca,
pva.org,
rff.org,
zeiss.com and at least 17 other hosts share mailservers with this domain.
127.cogentco.com,
lng.cogentco.com,
noc.cogentco.com,
nat.cogentco.com,
126.cogentco.com and at least 67 other hosts are subdomains to this hostname.
cogentco.com is ranked #83877 world wide and is hosted on a server in United States. It is listed in
Computers/Internet/Access_Providers/DSL.Trustworthiness, vendor reliability, privacy and child safety of this site is excellent.
(more on reputation).
| base | record | name | ip | reverse | route | as |
| cogentco.com | a | 38.100.128.10 United States | 38.0.0.0/8 Cogent | AS174 COGENT /PSI |
| ns-soa | auth1.dns.cogentco.com | 66.28.0.14 United States | 66.28.0.0/16 Cogent |
| ns | auth1.dns.cogentco.com | 66.28.0.14 United States |
| auth2.dns.cogentco.com | 66.28.0.30 United States |
| auth4.dns.cogentco.com | 80.245.32.74 France | 80.245.32.0/19 Cogent Communications France S.A.S. |
| auth5.dns.cogentco.com | 80.91.64.50 Spain | 80.91.64.0/19 Cogent Communications Espana, S.A. |
| mx | 100 | backupmx1.mail.cogentco.com | 204.157.3.90 United States | hhc-cust-mx.sys.cogentco.com | 204.157.3.0/24 |
| 10 | cogentco.com.s5a1.psmtp.com | 64.18.4.10 United States | s5a1.psmtp.com | 64.18.4.0/24 LLNW cust | AS26910 Postini Network |
| 20 | cogentco.com.s5a2.psmtp.com | 64.18.4.11 United States | s5a2.psmtp.com |
| 30 | cogentco.com.s5b1.psmtp.com | 64.18.4.13 United States | s5b1.psmtp.com |
| 40 | cogentco.com.s5b2.psmtp.com | 64.18.4.14 United States | s5b2.psmtp.com |
| com | ns-soa | a.gtld-servers.net | 192.5.6.30 United States | 192.5.6.0/24 VeriSign Route | AS36621 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 | AS36625 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 |