clasdata.com - dns.ninja
clasdata.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1 | ||||||
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.netnstld@verisign-grs.com serial=1786300999 | ||||||
Same first word
clasdata.com |
Similar names
DNS History
5 records (3 active, 2 former)
○NSedns-aln1-1-l2017-02-14 → 2017-02-14 · 4 obs
● 2017-02-14 11:44:16
○ 2026-03-31 13:47:34
○ 2026-08-09 19:11:00
○NSedns-aln1-1-l.cisco.com2015-08-04 → 2016-06-19 · 4 obs
● 2016-06-19 00:29:42
○ 2017-02-14 11:44:16
○ 2026-08-09 19:11:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net... | - |
| clasdata.com | ns1.cisco.com, ns2.cisco.com, ns3.cisco.com | 6 records |
✅ Authoritative Response
Server:173.37.146.41
NS records: ns1.cisco.com, ns2.cisco.com, ns3.cisco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for clasdata.com (unsigned zone)
⏱️ Timing
Total: 324ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.cisco.com, ns1.cisco.com... |
| SOA | 1 | ns1.cisco.com postmaster.cisco.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)
Analysis
Name Servers
clasdata.com carries NS records delegating to ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
clasdata.com has at least partial name server overlap with other domains, such as ciscopros.info, netacad-survey.net, ciscosiliconone.co.uk and two others.
ns1.cisco.com, ns2.cisco.com and ns3.cisco.com are three hostnames that each resolve to a pair of IP addresses: ns1.cisco.com to 72.163.5.201 and 2001:420:1101:6::a, ns2.cisco.com to 64.102.255.44 and 2001:420:2041:5000::a, and ns3.cisco.com to 173.37.146.41 and 2001:420:1201:7::a.