netsystech.com - robtex.com
netsystech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:420:1101:1::b🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | redirect.cisco.com | ||||||
| A | 72.163.4.154🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| 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=4 | ||||||
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=1774558757 | ||||||
Same first word
netsystech.com |
Similar names
DNS History
8 records (5 active, 3 former)
○NSedns-aln1-1-l2016-11-19 → 2016-11-19 · 4 obs
● 2016-11-19 04:18:02
○ 2017-05-19 16:05:46
○ 2026-03-26 21:06:46
○NSedns-aln1-1-l.cisco.com2015-07-25 → 2016-08-07 · 4 obs
● 2016-08-07 18:55:20
○ 2016-11-19 04:18:02
○ 2026-03-26 21:06:46
○NSedns-rtp5-1-l2017-05-19 → 2017-05-19 · 4 obs
● 2017-05-19 16:05:46
○ 2026-02-18 06:19:06
○ 2026-03-26 21:06:46
●A2001:420:1101:1::b2015-07-25 → 2026-03-26 · 2 obs
● 2026-03-26 21:06:46
●A72.163.4.1542015-07-25 → 2026-03-26 · 2 obs
● 2026-03-26 21:06:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net... | - |
| netsystech.com | ns1.cisco.com, ns2.cisco.com, ns3.cisco.com | 6 records |
✅ 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 netsystech.com (unsigned zone)
⏱️ Timing
Total: 200ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.163.4.154 |
| AAAA | 1 | 2001:420:1101:1::b |
| NS | 3 | ns3.cisco.com, ns2.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
IP Addresses
netsystech.com points to two IPs: 2001:420:1101:1::b and 72.163.4.154.
Other host names, for instance ciscosystems.fr, ciscopowerednetwork.info, cisco.biz, coreoptics.net and taskdock.com share IP numbers with netsystech.com.
Name Servers
netsystech.com is delegated to name servers ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
netsystech.com at least partially shares name servers with other domains such as pvconnect.net, exio.com, ciscotidal.biz, growthnetworks.com and inletgroup.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.