CF1763496075316-tsm20251116095642

DNSWHOIS.INFO - rcr21.ams06.atlas.cogentco.com

Search for IP or hostnames:

rcr21.ams06.atlas.cogentco.com checked at 2025-11-18T20:01:15.149Z 2512ms 31/31/31 100% R:8 allDone:true timedOut:false

rcr21.ams06.atlas.cogentco.com

CNAMElo0.rcr21.ams06.atlas.cogentco.com
A2001:550:0:1000::261c:1df 🇺🇸 COGENT
PTRlo0.rcr21.ams06.atlas.cogentco.com
A38.28.1.223🇺🇸 COGENT
PTRlo0.rcr21.ams06.atlas.cogentco.com

ams06.atlas.cogentco.com

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

Up

Starts similarily

AI analysis

rcr21.ams06.atlas.cogentco.com is the parent of lo0.rcr21.ams06.atlas.cogentco.com.

rcr21.ams06.atlas.cogentco.com resolves to two IPs: 2001:550:0:1000::261c:1df and 38.28.1.223.

Other host names, for instance lo0.rcr21.ams06.atlas.cogentco.com, share IP numbers with rcr21.ams06.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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