IPLIST.NET - 103.21.4.in-addr.arpa
Search for IP or hostnames:
103.21.4.in-addr.arpa checked at 2025-10-12T02:19:19.307Z 287ms 45/45/45 100% R:16103.21.4.in-addr.arpa
| NS | dnsauth1.sys.gtei.net | ||||||
| A | 4.2.49.2🇺🇸 Lumen AS3356 | ||||||
| PTR | dnsauth1.level3.net | ||||||
| NS | dnsauth2.sys.gtei.net | ||||||
| A | 4.2.49.3🇺🇸 Lumen AS3356 | ||||||
| PTR | dnsauth2.level3.net | ||||||
| NS | dnsauth3.sys.gtei.net | ||||||
| A | 4.2.49.4🇺🇸 Lumen AS3356 | ||||||
| PTR | dnsauth3.level3.net | ||||||
21.4.in-addr.arpa
| NS | dnsauth1.sys.gtei.net | ||||||
| NS | dnsauth2.sys.gtei.net | ||||||
| NS | dnsauth3.sys.gtei.net | ||||||
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AI analysis
103.21.4.in-addr.arpa is a parent of 10.103.21.4.in-addr.arpa and 65.103.21.4.in-addr.arpa.
103.21.4.in-addr.arpa is delegated to three name servers: dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.
At least part of the name servers for 103.21.4.in-addr.arpa are shared with other domains, for instance crc.ricoh.com, 227.40.4.in-addr.arpa, 178.34.4.in-addr.arpa, 177.23.4.in-addr.arpa and 55.40.4.in-addr.arpa.
These name servers are often used together with gateway.crc.ricoh.com, hyperion.haystack.edu and planck.haystack.edu.
Host names with a single IP:
dnsauth1.sys.gtei.net points to: 4.2.49.2
dnsauth2.sys.gtei.net points to: 4.2.49.3
dnsauth3.sys.gtei.net points to: 4.2.49.4
dbq