`ciscoblog.com`

DNSSEC	⚠️ Not signed
NS	`ns1.cisco.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`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.net`nstld@verisign-grs.com serial=1775115812

WOT: SAFE (77/100)

Same first word

ciscoblog.com

DNS History

2 records (2 active, 0 former)

●NSns1.cisco.com2026-03-31 → 2026-04-02 · 2 obs

● 2026-03-31 13:40:04
● 2026-04-02 08:07:48

●NSns2.cisco.com2026-03-31 → 2026-04-02 · 2 obs

● 2026-03-31 13:40:04
● 2026-04-02 08:07:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
ciscoblog.com	ns1.cisco.com, ns2.cisco.com	4 records

✅ Authoritative Response

Server:72.163.5.201

NS records: ns1.cisco.com, ns2.cisco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscoblog.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)

Analysis

Name Servers

Two name servers ns1.cisco.com and ns2.cisco.com handle the delegation for ciscoblog.com.

ciscoblog.com shares the same name server setup as other domains, for example smalltown.net, workforceretrainingus.com, ciscodsl.net, ciscoeosdocs.com and ciscosystemsinvestments.net.

ciscoblog.com at least partially shares name servers with other domains, for example thebigaward.co.uk, digitalcribs.org, ciscoiris.biz, cioscopark.net and cognitiveone.net.

these name servers are commonly used alongside ns3.cisco.com name servers.

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.

ciscoblog.com - robtex.com

ciscoblog.com

com