DNSWHOIS.INFO - 138.100.38.in-addr.arpa
Search for IP or hostnames:
138.100.38.in-addr.arpa checked at 2025-10-26T12:12:43.531Z 96ms 50/50/50 100% R:9138.100.38.in-addr.arpa
| NS | auth1.dns.cogentco.com | ||||||
| A | 2001:550:1:a::d 🇺🇸 COGENT | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d 🇺🇸 COGENT | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
100.38.in-addr.arpa
| NS | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
Up
171.138.100.38.in-addr.arpa |
144.138.100.38.in-addr.arpa |
131.138.100.38.in-addr.arpa |
162.138.100.38.in-addr.arpa |
154.138.100.38.in-addr.arpa |
152.138.100.38.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
138.100.38.in-addr.arpa is a parent of 171.138.100.38.in-addr.arpa, 144.138.100.38.in-addr.arpa, 131.138.100.38.in-addr.arpa, 162.138.100.38.in-addr.arpa, 154.138.100.38.in-addr.arpa and a few other host names.
Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle delegation for 138.100.38.in-addr.arpa.
138.100.38.in-addr.arpa uses the same name server setup as other domains, for example 170.169.63.in-addr.arpa, 212.254.64.in-addr.arpa, 92.241.204.in-addr.arpa, 86.99.38.in-addr.arpa and 23.124.38.in-addr.arpa.
138.100.38.in-addr.arpa partially shares name servers with other domains; examples include 228.41.209.in-addr.arpa, cps-transport.be, deutschlandfunk24.de, blogspiel.de and ups.ag.
These name servers are commonly used alongside nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, dns.infrabel.be, secdns.infrabel.be, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.fnsi.net and ns2.fnsi.net.
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