ciscosystems.do - robtex.com
ciscosystems.do
| 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 | ||||||
do
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.nic.do ⭐ | ||||||
| NS | a.lactld.org ⚠️ Not in parent delegation | ||||||
| NS | ns.nic.do | ||||||
| NS | ns1.nic.do | ||||||
| NS | ns4.nic.do | ||||||
| NS | ns5.nic.do | ||||||
| NS | phloem.uoregon.edu ⚠️ Not in parent delegation | ||||||
| TXT | Generation Time: 1775149202 | ||||||
| SOA | ns1.nic.dohostmaster@nic.do 2026-04-02 #17 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| do | a.lactld.org, ns.nic.do, ns1.nic.do, ns2.nic.do... | 14 records |
| ciscosystems.do | ns3.cisco.com, ns1.cisco.com, ns2.cisco.com | - |
✅ Authoritative Response
Server:173.37.146.41
NS records: ns3.cisco.com, ns1.cisco.com, ns2.cisco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for do (unsigned zone)
⏱️ Timing
Total: 479ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 14
In-bailiwick: 10 (ns.nic.do, ns1.nic.do, ns2.nic.do...)
Out-of-bailiwick: 4 (a.lactld.org, phloem.uoregon.edu, a.lactld.org...)
Analysis
Name Servers
ciscosystems.do delegates to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
ciscosystems.do shares some name servers with other domains, for example netiverse.net, ciscotelepresenceexchange.com, cisconexuscloud.io, psionic.net and ecomap.com.
Host names with two IP numbers:
ns1.cisco.com: 2001:420:1101:6::a and 72.163.5.201