retail.cisco - robtex.com
retail.cisco
| DNSSEC | ⚠️ Not signed | ||||||
| A | 72.163.4.154🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | redirect.cisco.com | ||||||
| NS | ns1.cisco.com ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | ns1.cisco.compostmaster@cisco.com serial=2 | ||||||
cisco
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nic.cisco ⭐ | ||||||
| NS | a.nic.cisco | ||||||
| NS | b.nic.cisco | ||||||
| NS | c.nic.cisco | ||||||
| NS | ns2.dns.nic.cisco | ||||||
| NS | ns3.dns.nic.cisco | ||||||
| SOA | ns1.dns.nic.ciscoadmin@tldns.godaddy serial=1778297983 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A72.163.4.1542026-05-03 → 2026-05-09 · 2 obs
● 2026-05-09 09:48:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cisco | a.nic.cisco, b.nic.cisco, c.nic.cisco, ns1.dns.nic.cisco... | 12 records |
| retail.cisco | ns1.cisco.com, ns2.cisco.com, ns3.cisco.com | - |
✅ 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 retail.cisco (unsigned zone)
⏱️ Timing
Total: 461ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.163.4.154 |
| NS | 3 | ns3.cisco.com, ns2.cisco.com... |
| SOA | 1 | ns1.cisco.com postmaster.cisco.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.cisco, b.nic.cisco, c.nic.cisco...)
Analysis
IP Addresses
retail.cisco points to IP number: 72.163.4.154.
Other host names such as ciscosystems.cb.it, cisco.ec, ciscoreseller.biz, cisco.com.mt and ciscopro.com share IPs with retail.cisco.
Name Servers
retail.cisco is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
retail.cisco at least partially shares name servers with other domains, for instance www-github2.cisco.com, vsider.com, cisco-nexus.com, 244.135.192.in-addr.arpa and ciscohomestore.com.
Host ns1.cisco.com points to 2001:420:1101:6::a and 72.163.5.201; Host ns2.cisco.com points to 2001:420:2041:5000::a and 64.102.255.44; Host ns3.cisco.com points to 2001:420:1201:7::a and 173.37.146.41.