DNSWHOIS.INFO - 21sip.net
Search for IP or hostnames:
21sip.net checked at 2025-10-17T21:00:25.236Z 122ms 39/39/39 100% R:1221sip.net
| NS | auth-ns1.verizonbusiness.com | ||||||
| A | 199.249.19.10🇺🇸 AS3378 | ||||||
| PTR | auth-ns1.verizonbusiness.com | ||||||
| NS | auth-ns2.verizonbusiness.com | ||||||
| A | 199.249.18.65🇺🇸 AS3378 | ||||||
| PTR | auth-ns2.verizonbusiness.com | ||||||
net
Starts with same word
Starts similarily
AI analysis
Two name servers auth-ns1.verizonbusiness.com and auth-ns2.verizonbusiness.com handle the delegation for 21sip.net.
21sip.net shares the same name server setup as other domains, for instance pkt.wcom.net, mae-east.net, engrtst.net, mcidial.net and worldcom.net.
21sip.net at least partially shares name servers with other domains, for instance 55.166.in-addr.arpa, pagemci.com, 128.160.198.in-addr.arpa, 84.39.153.in-addr.arpa and aaa.wcom.net.
These name servers are commonly used with the name servers ndcdns.vzbi.com, omzdns.vzbi.com, pdcdns.vzbi.com, auth01.ns.uu.net, auth50.ns.uu.net, auth61.ns.uu.net, auth200.ns.uu.net and auth210.ns.uu.net.
Host names with one IP:
auth-ns1.verizonbusiness.com points to: 199.249.19.10
auth-ns2.verizonbusiness.com points to: 199.249.18.65