`ciscophonebuy.com`

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`

`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=1775946302

Previously MX for

ciscophonebuy.com

Same first word

ciscophonebuy.com

DNS History

7 records (3 active, 4 former)

●NSns1.cisco.com2026-03-31 → 2026-04-11 · 3 obs

○ 2017-01-24 04:40:54
● 2026-03-31 13:47:22
● 2026-04-11 22:42:08

○NSns1.ciscobuy.com2015-08-14 → 2017-01-24 · 4 obs

● 2015-08-14 17:56:28
● 2017-01-24 04:40:54
○ 2026-03-31 13:47:22
○ 2026-04-11 22:42:08

●NSns2.cisco.com2026-03-31 → 2026-04-11 · 3 obs

○ 2017-01-24 04:40:54
● 2026-03-31 13:47:22
● 2026-04-11 22:42:08

○NSns2.ciscobuy.com2015-08-14 → 2017-01-24 · 4 obs

● 2015-08-14 17:56:28
● 2017-01-24 04:40:54
○ 2026-03-31 13:47:22
○ 2026-04-11 22:42:08

●NSns3.cisco.com2026-03-31 → 2026-04-11 · 3 obs

○ 2017-01-24 04:40:54
● 2026-03-31 13:47:22
● 2026-04-11 22:42:08

○MXciscophonebuy.com2015-08-14 → 2017-01-24 · 4 obs

● 2015-08-14 17:56:28
● 2017-01-24 04:40:54
○ 2026-03-31 13:47:22
○ 2026-04-11 22:42:08

○A204.197.252.1032015-08-14 → 2017-01-24 · 4 obs

● 2015-08-14 17:56:28
● 2017-01-24 04:40:54
○ 2026-03-31 13:47:22
○ 2026-04-11 22:42:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...	-
ciscophonebuy.com	ns1.cisco.com, ns2.cisco.com, ns3.cisco.com	6 records

✅ Authoritative Response

Server:64.102.255.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscophonebuy.com (unsigned zone)

⏱️ Timing

Total: 175ms | 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

ciscophonebuy.com is delegated to name servers ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

ciscophonebuy.com at least partially shares name servers with other domains such as ciscolela.com, callmeetingplace.com, cityecomap.us, jabberv.ch and cisco.design.

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.

ciscophonebuy.com - robtex.com