CF1763394732913-tsm20251116095642

DNSWHOIS.INFO - rcr21.lis01.atlas.cogentco.com

Search for IP or hostnames:

rcr21.lis01.atlas.cogentco.com checked at 2025-11-17T15:52:12.860Z 358ms 31/31/31 100% R:7 allDone:true timedOut:false

rcr21.lis01.atlas.cogentco.com

CNAMElo0.rcr21.lis01.atlas.cogentco.com
A2001:550:0:1000::261c:149 🇺🇸 COGENT
PTRlo0.rcr21.lis01.atlas.cogentco.com
A38.28.1.73🇺🇸 COGENT
PTRlo0.rcr21.lis01.atlas.cogentco.com

lis01.atlas.cogentco.com

NSauth1.dns.cogentco.com
NSauth2.dns.cogentco.com

Up

Starts similarily

AI analysis

The parent of lo0.rcr21.lis01.atlas.cogentco.com is rcr21.lis01.atlas.cogentco.com.

rcr21.lis01.atlas.cogentco.com points to two IP numbers: 2001:550:0:1000::261c:149 and 38.28.1.73.

Other host names, for instance lo0.rcr21.lis01.atlas.cogentco.com share IP numbers with rcr21.lis01.atlas.cogentco.com.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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