cisco-iphone.us - robtex.com
cisco-iphone.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.usadmin@tldns.godaddy serial=1775938956 | ||||||
Same first word
DNS History
5 records (3 active, 2 former)
●NSns1.cisco.com2026-03-31 → 2026-04-11 · 3 obs
○ 2016-03-21 20:26:34
● 2026-03-31 13:58:06
● 2026-04-11 20:37:40
● 2026-03-31 13:58:06
● 2026-04-11 20:37:40
○NSns1.divider.mysitehosted.com2016-03-21 → 2016-03-21 · 3 obs
● 2016-03-21 20:26:34
○ 2026-03-31 13:58:06
○ 2026-04-11 20:37:40
○ 2026-03-31 13:58:06
○ 2026-04-11 20:37:40
●NSns2.cisco.com2026-03-31 → 2026-04-11 · 3 obs
○ 2016-03-21 20:26:34
● 2026-03-31 13:58:06
● 2026-04-11 20:37:40
● 2026-03-31 13:58:06
● 2026-04-11 20:37:40
○NSns2.divider.mysitehosted.com2016-03-21 → 2016-03-21 · 3 obs
● 2016-03-21 20:26:34
○ 2026-03-31 13:58:06
○ 2026-04-11 20:37:40
○ 2026-03-31 13:58:06
○ 2026-04-11 20:37:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| cisco-iphone.us | 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 cisco-iphone.us (unsigned zone)
⏱️ Timing
Total: 322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
cisco-iphone.us is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
cisco-iphone.us at least partially shares its name servers with other domains, for instance ciscostarentnetworks.co.uk, beta-zds.ubiquisys.com, planetcisco.org, ciscofield.mobi and compositecollage.mobi.
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.