security.cisco - robtex.com
security.cisco
| DNSSEC | π Signed (DS record present) | ||||||
| NS | ns-223.awsdns-27.com β | ||||||
| A | 2600:9000:5300:df00::1πΊπΈ Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-223.awsdns-27.com | ||||||
| A | 205.251.192.223πΊπΈ Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-223.awsdns-27.com | ||||||
| NS | ns-1271.awsdns-30.org | ||||||
| A | 2600:9000:5304:f700::1πΊπΈ Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1271.awsdns-30.org | ||||||
| A | 205.251.196.247πΊπΈ Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1271.awsdns-30.org | ||||||
| NS | ns-1909.awsdns-46.co.uk | ||||||
| A | 2600:9000:5307:7500::1πΊπΈ Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1909.awsdns-46.co.uk | ||||||
| A | 205.251.199.117πΊπΈ Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1909.awsdns-46.co.uk | ||||||
| NS | ns-968.awsdns-57.net | ||||||
| A | 2600:9000:5303:c800::1πΊπΈ Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-968.awsdns-57.net | ||||||
| A | 205.251.195.200πΊπΈ Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-968.awsdns-57.net | ||||||
| TXT | identrust_validate=/bl1R/BUNrvEJ3XdzxsQYAd9s11erjVCGlK77NAonOc5 | ||||||
| SOA | ns-223.awsdns-27.comawsdns-hostmaster@amazon.com serial=1 | ||||||
cisco
| DNSSEC | β οΈ Not signed | ||||||
| NS | ns1.dns.nic.cisco β | ||||||
| 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=1775003823 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
βNSns-1271.awsdns-30.org2026-03-31 β 2026-04-01 Β· 2 obs
β 2026-04-01 04:48:06
βNSns-1909.awsdns-46.co.uk2026-03-31 β 2026-04-01 Β· 2 obs
β 2026-04-01 04:48:06
βNSns-223.awsdns-27.com2026-03-31 β 2026-04-01 Β· 2 obs
β 2026-04-01 04:48:06
βNSns-968.awsdns-57.net2026-03-31 β 2026-04-01 Β· 2 obs
β 2026-04-01 04:48:06
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cisco | a.nic.cisco, b.nic.cisco, c.nic.cisco, ns1.dns.nic.cisco... | 12 records |
| security.cisco | ns-1271.awsdns-30.org, ns-223.awsdns-27.com, ns-968.awsdns-57.net, ns-1909.awsdns-46.co.uk | - |
β Authoritative Response
Server:205.251.192.223
NS records: ns-1271.awsdns-30.org, ns-223.awsdns-27.com, ns-968.awsdns-57.net, ns-1909.awsdns-46.co.uk
π DNSSEC Status
π Secure (DNSSEC validated)
Chain of trust verified from root to domain
β±οΈ Timing
Total: 420ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1271.awsdns-30.org, ns-1909.awsdns-46.co.uk... |
| TXT | 1 | identrust_validate=/bl1R/BUNrvEJ3XdzxsQY |
| SOA | 1 | ns-223.awsdns-27.com awsdns-hostmaster.a |
π Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.cisco, b.nic.cisco, c.nic.cisco...)
Analysis
Name Servers
security.cisco is delegated to four 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 shares name servers with other domains at least partially, for instance scribliotech.com, d1a09ddr1lo891.cloudfront.net, xomo.ca, rgmadvertising.com and iqela.io.
Host names with two IP numbers:
ns-223.awsdns-27.com resolves to 2600:9000:5300:df00::1 and 205.251.192.223.
ns-968.awsdns-57.net resolves to 2600:9000:5303:c800::1 and 205.251.195.200.
ns-1271.awsdns-30.org resolves to 2600:9000:5304:f700::1 and 205.251.196.247.
ns-1909.awsdns-46.co.uk resolves to 2600:9000:5307:7500::1 and 205.251.199.117.