CF1757254924750-tsm20250907140122

NSLIST.NET - 21sip.com

Search for IP or hostnames:

21sip.com checked at 2025-09-07T14:22:04.734Z 227ms 57/57/57 100% R:17

21sip.com

NSauth00.ns.uu.net
A198.6.1.65🇺🇸 Verizon
PTRauth00.ns.uu.net
NSauth01.ns.uu.net
A198.6.1.81🇺🇸 Verizon
PTRauth01.ns.uu.net
NSauth100.ns.uu.net
A198.6.1.202🇺🇸 Verizon
PTRauth100.ns.uu.net
NSauth101.ns.uu.net
A198.6.1.210🇺🇸 Verizon
PTRauth101.ns.uu.net
NSauth62.ns.uu.net
A198.6.1.19🇺🇸 Verizon
PTRauth62.ns.uu.net

com

NSa.gtld-servers.net
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net

AI analysis

Host names cf3c3ecs05.21sip.com, interoplab3.21sip.com, cf3c3sds05vip.21sip.com, cpzc3sh05151.21sip.com, cpzc3sh0622a.21sip.com and others fall under the parent 21sip.com.

Five name servers: auth00.ns.uu.net, auth01.ns.uu.net, auth100.ns.uu.net, auth101.ns.uu.net, and auth62.ns.uu.net are delegated to 21sip.com.

The name servers of 21sip.com are at least partially shared with other domains such as 58.1.64.in-addr.arpa, 218.193.209.in-addr.arpa, draftsouthkorea.com, 9.26.207.in-addr.arpa, and 15.130.157.in-addr.arpa.

Often, the name servers auth51.ns.uu.net, auth110.ns.uu.net, auth200.ns.uu.net, auth210.ns.uu.net, auth61.ns.uu.net, auth40.ns.uu.net, auth03.ns.uu.net, ns1.hallmark.com, ns2.hallmark.com, and auth60.ns.uu.net are used together.

auth00.ns.uu.net, auth01.ns.uu.net, auth100.ns.uu.net, auth101.ns.uu.net, and auth62.ns.uu.net all point to respective IP numbers: 198.6.1.65, 198.6.1.81, 198.6.1.202, 198.6.1.210, and 198.6.1.19.

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

mtVRNrM CF johedugfp 2025-09-07