`smartnetsupport.com`

DNSSEC	⚠️ Not signed
NS	`ns1.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:1101:6::a^{🇺🇸 AS1092001:420:1100::/41}
			PTR	`ns1.cisco.com`
		A	72.163.5.201^{🇺🇸 AS10972.163.0.0/18}
			PTR	`ns1.cisco.com`
NS	`ns2.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:2041:5000::a^{🇺🇸 AS1092001:420:2000::/35}
			PTR	`ns2.cisco.com`
		A	64.102.255.44^{🇺🇸 AS10964.102.0.0/16}
			PTR	`ns2.cisco.com`
NS	`ns3.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:1201:7::a^{🇺🇸 AS1092001:420:1200::/41}
			PTR	`ns3.cisco.com`
		A	173.37.146.41^{🇺🇸 AS109173.37.128.0/19}
			PTR	`ns3.cisco.com`

`com`

	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=1778527971

Same first word

smartnetsupport.com

DNS History

8 records (3 active, 5 former)

○NSns.123-reg.co.uk2015-05-26 → 2017-04-10 · 4 obs

● 2015-05-26 13:57:04
● 2017-04-10 12:54:36
○ 2026-05-03 12:26:06
○ 2026-05-11 19:56:24

●NSns1.cisco.com2026-05-03 → 2026-05-11 · 3 obs

○ 2017-04-10 12:54:36
● 2026-05-03 12:26:06
● 2026-05-11 19:56:24

○NSns2.123-reg.co.uk2015-05-26 → 2017-04-10 · 4 obs

● 2015-05-26 13:57:04
● 2017-04-10 12:54:36
○ 2026-05-03 12:26:06
○ 2026-05-11 19:56:24

●NSns2.cisco.com2026-05-03 → 2026-05-11 · 3 obs

○ 2017-04-10 12:54:36
● 2026-05-03 12:26:06
● 2026-05-11 19:56:24

●NSns3.cisco.com2026-05-03 → 2026-05-11 · 3 obs

○ 2017-04-10 12:54:36
● 2026-05-03 12:26:06
● 2026-05-11 19:56:24

○A149.126.72.1212015-05-26 → 2016-08-08 · 4 obs

● 2015-05-26 13:57:04
● 2016-08-08 05:21:30
○ 2017-04-10 12:54:36
○ 2026-05-11 19:56:24

○A199.83.130.2112015-05-26 → 2016-08-08 · 4 obs

● 2015-05-26 13:57:04
● 2016-08-08 05:21:30
○ 2017-04-10 12:54:36
○ 2026-05-11 19:56:24

○A23.253.12.592017-04-10 → 2017-04-10 · 4 obs

○ 2016-08-08 05:21:30
● 2017-04-10 12:54:36
○ 2026-05-03 12:26:06
○ 2026-05-11 19:56:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
smartnetsupport.com	ns1.cisco.com, ns2.cisco.com, ns3.cisco.com	6 records

✅ Authoritative Response

Server:72.163.5.201

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartnetsupport.com (unsigned zone)

⏱️ Timing

Total: 2206ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)

Analysis

Name Servers

The domain smartnetsupport.com is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

smartnetsupport.com shares name servers with other domains at least partially, for instance ciscotidal.cn, fluidmesh.com, inlet-tech.com, teltier.com and cisco-plus.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

smartnetsupport.com - robtex.com