`21cip.net`

DNSSEC	⚠️ Not signed
NS	`omzdns9.verizon.com` ⭐
NS	`auth-ns1.verizonbusiness.com`
		A	199.249.19.10^{🇺🇸 AS3378199.249.19.0/24}
			PTR	`auth-ns1.verizonbusiness.com`
NS	`auth-ns2.verizonbusiness.com`
		A	199.249.18.65^{🇺🇸 AS3378199.249.18.0/24}
			PTR	`auth-ns2.verizonbusiness.com`
SOA	`omzdns9.verizon.com`hostmaster@verizonbusiness.com serial=1184

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778381111

Same first word

21cip.net

21cip.com

Similar names

icp21.com

cp12i.com

pic12.net

DNS History

4 records (3 active, 1 former)

●NSauth-ns1.verizonbusiness.com2015-05-27 → 2026-05-10 · 2 obs

● 2015-05-27 10:21:56
● 2026-05-10 02:50:16

●NSauth-ns2.verizonbusiness.com2015-05-27 → 2026-05-10 · 2 obs

● 2015-05-27 10:21:56
● 2026-05-10 02:50:16

○NSomzdns3.vzbi.com2015-05-27 → 2016-04-12 · 4 obs

● 2015-05-27 10:21:56
● 2016-04-12 11:03:20
○ 2016-12-30 17:36:24
○ 2026-05-10 02:50:16

●NSomzdns9.verizon.com2016-12-30 → 2026-05-10 · 3 obs

○ 2016-04-12 11:03:20
● 2016-12-30 17:36:24
● 2026-05-10 02:50:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
21cip.net	auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com	-

✅ Authoritative Response

Server:199.249.19.10

NS records: auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21cip.net (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`auth-ns1.verizonbusiness.com, auth-ns2.verizonbusiness.com`
SOA	1	`omzdns9.verizon.com hostmaster.verizonbu`

Analysis

Name Servers

21cip.net is delegated to name servers omzdns9.verizon.com, auth-ns1.verizonbusiness.com and auth-ns2.verizonbusiness.com.

21cip.net at least partially shares name servers with other domains such as 21sip.net, engrtst.com, 192.70.95.72.in-addr.arpa, verizonbusiness.name and vbns.net.

These name servers are often used together with 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 a single IP address:

auth-ns1.verizonbusiness.com points to 199.249.19.10

auth-ns2.verizonbusiness.com points to 199.249.18.65

21cip.net - robtex.com

21cip.net

net