CF1761314851375-tsm20251017082432

WWW.RTSAK.COM - 121.4.in-addr.arpa

Search for IP or hostnames:

121.4.in-addr.arpa checked at 2025-10-24T14:07:31.367Z 142ms 42/42/42 100% R:11

121.4.in-addr.arpa

NSdnsauth1.sys.gtei.net
A4.2.49.2🇺🇸 LEVEL3
PTRdnsauth1.level3.net
NSdnsauth2.sys.gtei.net
A4.2.49.3🇺🇸 LEVEL3
PTRdnsauth2.level3.net
NSdnsauth3.sys.gtei.net
A4.2.49.4🇺🇸 LEVEL3
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

The domain 121.4.in-addr.arpa is delegated to three name servers: dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.

121.4.in-addr.arpa shares name servers with other domains at least partially, for instance pwcglobal.cd, 253.34.4.in-addr.arpa, gtencp.com, 202.21.4.in-addr.arpa and 1.128.205.in-addr.arpa.

these name servers are commonly used with nanook.mctel.com, ns.tds.net, a.dns.tds.net, b.dns.tds.net, c.dns.tds.net, d.dns.tds.net, e.dns.tds.net and f.dns.tds.net.

Host names with a single IP number:

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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XXeZicY CF johedugfp 2025-10-24