`coolviewonline.us`

DNSSEC	⚠️ Not signed
NS	`ns1.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:1101:6::a^{🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns1.cisco.com`
		A	72.163.5.201^{🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns1.cisco.com`
NS	`ns2.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:2041:5000::a^{🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns2.cisco.com`
		A	64.102.255.44^{🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns2.cisco.com`
NS	`ns3.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:1201:7::a^{🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns3.cisco.com`
		A	173.37.146.41^{🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns3.cisco.com`

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1775135893

Same first word

coolviewonline.us

DNS History

3 records (3 active, 0 former)

●NSns1.cisco.com2026-03-23 → 2026-04-02 · 2 obs

● 2026-03-23 20:19:24
● 2026-04-02 13:33:22

●NSns2.cisco.com2026-03-23 → 2026-04-02 · 2 obs

● 2026-03-23 20:19:24
● 2026-04-02 13:33:22

●NSns3.cisco.com2026-03-23 → 2026-04-02 · 2 obs

● 2026-03-23 20:19:24
● 2026-04-02 13:33:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
coolviewonline.us	ns2.cisco.com, ns3.cisco.com, ns1.cisco.com	-

✅ Authoritative Response

Server:173.37.146.41

NS records: ns2.cisco.com, ns3.cisco.com, ns1.cisco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolviewonline.us (unsigned zone)

⏱️ Timing

Total: 383ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

coolviewonline.us is delegated to three name servers ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

coolviewonline.us at least partially shares name servers with other domains, for instance cariden.com, cisco-returns.com, ciscointernethome.com, tandberg.us and netacad-reports.net.

these name servers are commonly used alongside ns.cisco.com.

Host names with two IP numbers:

ns1.cisco.com points to: 2001:420:1101:6::a and 72.163.5.201.

ns2.cisco.com points to: 2001:420:2041:5000::a and 64.102.255.44.

ns3.cisco.com points to: 2001:420:1201:7::a and 173.37.146.41.

coolviewonline.us - robtex.com