IPLIST.NET - 138.21.4.in-addr.arpa
Search for IP or hostnames:
138.21.4.in-addr.arpa checked at 2025-10-05T10:53:29.155Z 136ms 45/45/45 100% R:10138.21.4.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
138.21.4.in-addr.arpa is the parent of 141.138.21.4.in-addr.arpa and 241.138.21.4.in-addr.arpa.
138.21.4.in-addr.arpa is delegated to three name servers dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.
138.21.4.in-addr.arpa at least partially shares name servers with other domains, for instance 84.4.in-addr.arpa, gte-messaging.com, aginput.com, 240.126.204.in-addr.arpa and ntis.us.
These name servers are commonly used alongside cyber2.gtenoc.com, dnsauth1.level3.net and dnsauth2.level3.net.
Host names with one 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