CF1759911475521-tsm20251005211530

IPLIST.NET - 19.4.in-addr.arpa

Search for IP or hostnames:

19.4.in-addr.arpa checked at 2025-10-08T08:17:55.501Z 156ms 42/42/42 100% R:14

19.4.in-addr.arpa

NSdnsauth1.sys.gtei.net
A4.2.49.2🇺🇸 Lumen AS3356
PTRdnsauth1.level3.net
NSdnsauth2.sys.gtei.net
A4.2.49.3🇺🇸 Lumen AS3356
PTRdnsauth2.level3.net
NSdnsauth3.sys.gtei.net
A4.2.49.4🇺🇸 Lumen AS3356
PTRdnsauth3.level3.net

4.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Starts with same word

Starts similarily

AI analysis

19.4.in-addr.arpa is delegated to three name servers: dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.

19.4.in-addr.arpa at least partially shares name servers with other domains, including 131.7.4.in-addr.arpa, 129.113.198.in-addr.arpa, 247.65.4.in-addr.arpa, 140.36.4.in-addr.arpa and 96.35.4.in-addr.arpa.

these name servers are commonly used together with iserver.pdl.com, dnsauth1.level3.net and dnsauth2.level3.net.

Hostnames 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.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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