secure-client.us.security.cisco.com - robtex.com
secure-client.us.security.cisco.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
us.security.cisco.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1320.awsdns-37.org ⭐ | ||||||
| NS | ns-115.awsdns-14.com | ||||||
| NS | ns-1577.awsdns-05.co.uk | ||||||
| NS | ns-697.awsdns-23.net | ||||||
| SOA | ns-1320.awsdns-37.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
WOT: SAFE (93/100)
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A76.76.21.212026-02-27 → 2026-04-12 · 2 obs
● 2026-02-27 16:18:48
● 2026-04-12 19:53:32
● 2026-04-12 19:53:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| cisco.com | ns1.cisco.com, ns2.cisco.com, a3-64.akam.net, a28-64.akam.net... | 6 records |
| security.cisco.com | ns-1630.awsdns-11.co.uk, ns-461.awsdns-57.com, ns-827.awsdns-39.net, ns-1405.awsdns-47.org | - |
| us.security.cisco.com | ns-115.awsdns-14.com, ns-1320.awsdns-37.org, ns-1577.awsdns-05.co.uk, ns-697.awsdns-23.net | - |
✅ Authoritative Response
Server:205.251.198.41
NS records: ns-115.awsdns-14.com, ns-1320.awsdns-37.org, ns-1577.awsdns-05.co.uk, ns-697.awsdns-23.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cisco.com (unsigned zone)
⏱️ Timing
Total: 514ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
📌 Glue Records Collected
Total: 6
In-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)
Analysis
IP Addresses
secure-client.us.security.cisco.com resolves to one IP number: 76.76.21.21.
Other host names, for instance twocreate.com, rokids.net, camsloan.com, www.marketdirect.co.za and bres.no share IP numbers with secure-client.us.security.cisco.com.