ciscorouter.biz - robtex.com
ciscorouter.biz
| 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=5 | ||||||
biz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld.biz ⭐ | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
| SOA | a.gtld.bizadmin@tldns.godaddy serial=1778367570 | ||||||
Same first word
ciscorouter.com |
ciscorouter.us |
ciscorouter.biz |
Similar names
DNS History
7 records (5 active, 2 former)
○NSedns-aln1-1-l2017-03-24 → 2017-03-24 · 4 obs
● 2017-03-24 21:58:04
○ 2026-05-03 12:35:38
○ 2026-05-09 23:13:50
○NSedns-aln1-1-l.cisco.com2015-06-16 → 2016-07-11 · 4 obs
● 2016-07-11 02:32:02
○ 2017-03-24 21:58:04
○ 2026-05-09 23:13:50
●A2001:420:1101:1::b2015-06-16 → 2026-05-09 · 2 obs
● 2026-05-09 23:13:50
●A72.163.4.1542015-06-16 → 2026-05-09 · 2 obs
● 2026-05-09 23:13:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| biz | a.gtld.biz, b.gtld.biz, c.gtld.biz, m.gtld.biz... | - |
| ciscorouter.biz | 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 ciscorouter.biz (unsigned zone)
⏱️ Timing
Total: 503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.163.4.154 |
| AAAA | 1 | 2001:420:1101:1::b |
| NS | 3 | ns2.cisco.com, ns3.cisco.com... |
| SOA | 1 | ns1.cisco.com postmaster.cisco.com |
Analysis
IP Addresses
ciscorouter.biz points to two IP numbers: 2001:420:1101:1::b and 72.163.4.154.
Other host names such as cisco.eg, ciscosystems.me.it, latigent.com, ciscosystems.or.it and ciscosecure.net share IPs with ciscorouter.biz.
Name Servers
ciscorouter.biz is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
ciscorouter.biz at least partially shares name servers with other domains, for example layer7switching.com, altiga.com, xn--m8t158c.asia, archedrock.org and ciscodigitalcribs.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