DNSWHOIS.INFO - 128.100.38.in-addr.arpa
Search for IP or hostnames:
128.100.38.in-addr.arpa checked at 2025-11-17T03:19:51.258Z 694ms 50/50/50 100% R:12 allDone:true timedOut:false 128.100.38.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 | ||||||
100.38.in-addr.arpa
| NS | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
Up
118.128.100.38.in-addr.arpa |
10.128.100.38.in-addr.arpa |
123.128.100.38.in-addr.arpa |
121.128.100.38.in-addr.arpa |
11.128.100.38.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
128.100.38.in-addr.arpa is parent of 118.128.100.38.in-addr.arpa, 10.128.100.38.in-addr.arpa, 123.128.100.38.in-addr.arpa, 121.128.100.38.in-addr.arpa and 11.128.100.38.in-addr.arpa.
Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle the delegation for 128.100.38.in-addr.arpa.
128.100.38.in-addr.arpa shares the same name server setup as other domains, for instance 228.38.in-addr.arpa, 3.42.154.in-addr.arpa, 81.38.in-addr.arpa, 91.6.204.in-addr.arpa and 189.220.38.in-addr.arpa.
128.100.38.in-addr.arpa at least partially shares name servers with other domains, for instance upsadam.com, sfitrucks.com, deutschlandfunkkultur.de, ups.tw and 221.160.192.in-addr.arpa.
These name servers are commonly used with cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, nsa.ups.com and nsb.ups.com.
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.