DNSWHOIS.INFO - 163.63.in-addr.arpa
Search for IP or hostnames:
163.63.in-addr.arpa checked at 2025-10-17T17:21:36.504Z 146ms 50/50/50 100% R:11163.63.in-addr.arpa
| 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 | ||||||
63.in-addr.arpa
| NS | r.arin.net | ||||||
| NS | u.arin.net | ||||||
| NS | x.arin.net | ||||||
| NS | y.arin.net | ||||||
| NS | z.arin.net | ||||||
| NS | arin.authdns.ripe.net | ||||||
Up
Starts with same word
Starts similarily
AI analysis
163.63.in-addr.arpa is parent of 76.163.63.in-addr.arpa, 61.163.63.in-addr.arpa, 60.163.63.in-addr.arpa and 160.163.63.in-addr.arpa.
163.63.in-addr.arpa is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.
163.63.in-addr.arpa uses the same name server setup as other domains, including 105.177.216.in-addr.arpa, lax12.atlas.cogentco.com, 235.104.38.in-addr.arpa, 66.198.38.in-addr.arpa and clearygottlieb.com.
At least part of the name servers for 163.63.in-addr.arpa are shared with other domains, for instance fsisameday.com, upsready.com, lab.t-mobile.com, 161.113.38.in-addr.arpa and infoway-inforoute.com.
These name servers are commonly used together with the name servers nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de and ns2.vodafone-ip.de.
Host names with two IP numbers:
auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14.
auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.