ciscobuy.com - robtex.com
ciscobuy.com
| 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 | ||||||
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=1775121332 | ||||||
Previously MX for
ciscobuy.com |
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
●NSns1.cisco.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:10:04
● 2026-04-02 09:24:34
○NSns1.ciscobuy.com2015-06-03 → 2017-03-14 · 5 obs
● 2015-06-03 09:17:44
● 2017-03-14 15:56:30
○ 2026-03-31 14:10:04
○ 2026-04-02 09:24:34
○NSns11.worldnic.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-03 09:17:44
○ 2026-04-02 09:24:34
○NSns12.worldnic.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-03 09:17:44
○ 2026-04-02 09:24:34
●NSns2.cisco.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:10:04
● 2026-04-02 09:24:34
○NSns2.ciscobuy.com2015-06-03 → 2017-03-14 · 5 obs
● 2015-06-03 09:17:44
● 2017-03-14 15:56:30
○ 2026-03-31 14:10:04
○ 2026-04-02 09:24:34
●NSns3.cisco.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:10:04
● 2026-04-02 09:24:34
○MXciscobuy.com2015-06-03 → 2017-03-14 · 5 obs
● 2015-06-03 09:17:44
● 2017-03-14 15:56:30
○ 2026-03-31 14:10:04
○ 2026-04-02 09:24:34
○A204.197.252.1032015-06-03 → 2017-03-14 · 5 obs
● 2015-06-03 09:17:44
● 2017-03-14 15:56:30
○ 2026-03-31 14:10:04
○ 2026-04-02 09:24:34
○A209.62.20.2082008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-03 09:17:44
○ 2026-04-02 09:24:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ciscobuy.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 ciscobuy.com (unsigned zone)
⏱️ Timing
Total: 183ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)
Analysis
Name Servers
ciscobuy.com is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
At least part of the name servers for ciscobuy.com are shared with other domains, for instance cisco-iphone.com, vxidemocloud.com, ciscolela.biz, academynetspace.com and networkingacademy.asia.
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