CF1758752657354-tsm20250924192539

WWW.RTSAK.COM - 21sip.com

Search for IP or hostnames:

21sip.com checked at 2025-09-24T22:24:17.339Z 147ms 57/57/57 100% R:10

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

Up

Starts with same word

Starts similarily

AI analysis

21sip.com is the parent of cf3c3ecs05.21sip.com, interoplab3.21sip.com, cf3c3sds05vip.21sip.com, cpzc3sh05151.21sip.com, cpzc3sh0622a.21sip.com and a few other host names.

21sip.com delegates to five name servers: auth00.ns.uu.net, auth01.ns.uu.net, auth100.ns.uu.net, auth101.ns.uu.net and auth62.ns.uu.net.

21sip.com at least partially shares name servers 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.

These name servers are often used together with 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.

Host names with one IP number:

auth00.ns.uu.net points to 198.6.1.65

auth01.ns.uu.net points to 198.6.1.81

auth100.ns.uu.net points to 198.6.1.202

auth101.ns.uu.net points to 198.6.1.210

auth62.ns.uu.net points to 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

nGLWkHE CF johedugfp 2025-09-24