ciscotidal.cn - robtex.com
ciscotidal.cn
| 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 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034626231 | ||||||
Same first word
DNS History
3 records (3 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ciscotidal.cn | 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 ciscotidal.cn (unsigned zone)
⏱️ Timing
Total: 1249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
ciscotidal.cn is delegated to three name servers ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
ciscotidal.cn at least partially shares name servers with other domains, for instance ciscosystems.biz, ciscoasr.net, wangxun.xn--fiqz9s, aironet.asia and showandshare.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.