DNSWHOIS.INFO - sfo03.atlas.cogentco.com
Search for IP or hostnames:
sfo03.atlas.cogentco.com checked at 2025-11-30T22:23:50.169Z 156ms 47/47/47 100% R:8 allDone:true timedOut:false sfo03.atlas.cogentco.com
| NS | auth1.dns.cogentco.com | ||||||
| A | 2001:550:1:a::d 🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d 🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
atlas.cogentco.com
Starts similarily
AI analysis
sfo03.atlas.cogentco.com is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.
sfo03.atlas.cogentco.com uses the same name server setup as other domains, for instance 195.29.38.in-addr.arpa, 251.27.208.in-addr.arpa, 217.98.38.in-addr.arpa, 226.36.149.in-addr.arpa and 165.99.38.in-addr.arpa.
sfo03.atlas.cogentco.com shares name servers with other domains at least partially, for instance inforoutesantecanada.com, postsecondaryresearch.org, facil.columbia.edu, 224.183.206.in-addr.arpa and 214.138.192.in-addr.arpa.
these name servers are commonly used with ns1.infoway-inforoute.ca, ns2.infoway-inforoute.ca, ext-ns1.columbia.edu, ns1.fnsi.net, ns2.fnsi.net, ns3.fnsi.net and auth4.dns.cogentco.com.
Host names with two IP numbers:
The host auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14.
The host auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.