security.cisco - dns.ninja
security.cisco
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-223.awsdns-27.com ⭐ | ||||||
| A | 2600:9000:5300:df00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-223.awsdns-27.com | ||||||
| A | 205.251.192.223🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-223.awsdns-27.com | ||||||
| NS | ns-1271.awsdns-30.org | ||||||
| A | 2600:9000:5304:f700::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1271.awsdns-30.org | ||||||
| A | 205.251.196.247🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| NS | ns-1909.awsdns-46.co.uk | ||||||
| A | 2600:9000:5307:7500::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1909.awsdns-46.co.uk | ||||||
| A | 205.251.199.117🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1909.awsdns-46.co.uk | ||||||
| NS | ns-968.awsdns-57.net | ||||||
| A | 2600:9000:5303:c800::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-968.awsdns-57.net | ||||||
| A | 205.251.195.200🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-968.awsdns-57.net | ||||||
| TXT | identrust_validate=QEMAJQ/rKalT3lJZ8mCPnyx5ivmt6b4JZG+BSqleFg04 | ||||||
| SOA | ns-223.awsdns-27.comawsdns-hostmaster@amazon.com serial=1 | ||||||
cisco
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nic.cisco ⭐ | ||||||
| NS | a.nic.cisco | ||||||
| NS | b.nic.cisco | ||||||
| NS | c.nic.cisco | ||||||
| NS | ns2.dns.nic.cisco | ||||||
| NS | ns3.dns.nic.cisco | ||||||
| SOA | ns1.dns.nic.ciscoadmin@tldns.godaddy serial=1784507824 | ||||||
Subdomains
usgov.security.cisco |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1271.awsdns-30.org2026-03-31 → 2026-07-21 · 2 obs
● 2026-07-21 01:31:14
●NSns-1909.awsdns-46.co.uk2026-03-31 → 2026-07-21 · 2 obs
● 2026-07-21 01:31:14
●NSns-223.awsdns-27.com2026-03-31 → 2026-07-21 · 2 obs
● 2026-07-21 01:31:14
●NSns-968.awsdns-57.net2026-03-31 → 2026-07-21 · 2 obs
● 2026-07-21 01:31:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cisco | a.nic.cisco, b.nic.cisco, c.nic.cisco, ns1.dns.nic.cisco... | 12 records |
| security.cisco | ns-223.awsdns-27.com, ns-968.awsdns-57.net, ns-1271.awsdns-30.org, ns-1909.awsdns-46.co.uk | - |
✅ Authoritative Response
Server:205.251.195.200
NS records: ns-223.awsdns-27.com, ns-968.awsdns-57.net, ns-1271.awsdns-30.org, ns-1909.awsdns-46.co.uk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 539ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1271.awsdns-30.org, ns-1909.awsdns-46.co.uk... |
| TXT | 1 | identrust_validate=QEMAJQ/rKalT3lJZ8mCPn |
| SOA | 1 | ns-223.awsdns-27.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.cisco, a.nic.cisco, b.nic.cisco...)
Analysis
Hierarchy
security.cisco is the parent zone for usgov.security.cisco.
Name Servers
security.cisco has four authoritative name servers: ns-223.awsdns-27.com, ns-968.awsdns-57.net, ns-1271.awsdns-30.org and ns-1909.awsdns-46.co.uk.
security.cisco partially shares its NS delegation with several other domains, including meupag.com.br, scribliotech.com, d1a09ddr1lo891.cloudfront.net and two others.
ns-223.awsdns-27.com, ns-968.awsdns-57.net, ns-1271.awsdns-30.org and ns-1909.awsdns-46.co.uk each carry two IP addresses. ns-223.awsdns-27.com has 205.251.192.223 and 2600:9000:5300:df00::1; ns-968.awsdns-57.net has 205.251.195.200 and 2600:9000:5303:c800::1; ns-1271.awsdns-30.org has 205.251.196.247 and 2600:9000:5304:f700::1; ns-1909.awsdns-46.co.uk has 205.251.199.117 and 2600:9000:5307:7500::1.