ciscostart.com - robtex.com
ciscostart.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=2 | ||||||
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=1784057937 | ||||||
Same first word
ciscostart.com |
DNS History
8 records (3 active, 5 former)
●NSns1.cisco.com2026-03-31 → 2026-07-14 · 3 obs
● 2026-03-31 13:51:16
● 2026-07-14 19:56:48
○NSns1.namebrightdns.com2017-09-09 → 2017-09-09 · 3 obs
○ 2026-03-31 13:51:16
○ 2026-07-14 19:56:48
●NSns2.cisco.com2026-03-31 → 2026-07-14 · 3 obs
● 2026-03-31 13:51:16
● 2026-07-14 19:56:48
○NSns2.namebrightdns.com2017-09-09 → 2017-09-09 · 3 obs
○ 2026-03-31 13:51:16
○ 2026-07-14 19:56:48
●NSns3.cisco.com2026-03-31 → 2026-07-14 · 3 obs
● 2026-03-31 13:51:16
● 2026-07-14 19:56:48
○MXmail1.namebrightmail.com2017-09-09 → 2017-09-09 · 3 obs
○ 2026-03-31 13:51:16
○ 2026-07-14 19:56:48
○MXmail2.namebrightmail.com2017-09-09 → 2017-09-09 · 3 obs
○ 2026-03-31 13:51:16
○ 2026-07-14 19:56:48
○CNAMEcomingsoon.namebright.com2017-09-09 → 2017-09-09 · 3 obs
○ 2026-03-31 13:51:16
○ 2026-07-14 19:56:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ciscostart.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 ciscostart.com (unsigned zone)
⏱️ Timing
Total: 246ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.cisco.com, ns3.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
ciscostart.com is served by three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
ciscostart.com has at least partial name server overlap with other domains, such as ccnp.biz, www-github.cisco.com, ciscolearningsociety.org and two others.
The hostnames ns1.cisco.com, ns2.cisco.com and ns3.cisco.com each direct to two 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.