ios.software - dns.ninja

`ios.software`

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`
NS	`ns3.cisco.com` ⚠️ Not in zone NS records
		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`

`software`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.software` ⭐
	NS	`v0n1.nic.software`
	NS	`v0n2.nic.software`
	NS	`v0n3.nic.software`
	NS	`v2n0.nic.software`
	NS	`v2n1.nic.software`
	SOA	`v0n0.nic.software`hostmaster@donuts.email serial=1780579017

Same first word

ios.net

ios.co.kr

ios.org.uk

ios.gov.pl

ios.com.gr

ios.com.mx

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Similar names

ois.lv

sio.jp

sio.org.pl

soi.com

sio.it

osi.hu

ois.com

iso.lt

iso.net.nz

osi.red

soi.co.ke

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iso.radio.fm

sio.org

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sio.ro

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soi.uz

iso.ch

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iso.web.id

sio.com

soi.st

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ois.hu

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soi.com.hk

sio.pt

sio.cz

sio.fr

osi.biz

soi.co.il

osi.eu

osi.nl

iso.mx

ois.ee

soi.be

DNS History

3 records (3 active, 0 former)

●NSns1.cisco.com2026-03-31 → 2026-06-04 · 2 obs

● 2026-03-31 13:40:50
● 2026-06-04 13:43:44

●NSns2.cisco.com2026-03-31 → 2026-06-04 · 2 obs

● 2026-03-31 13:40:50
● 2026-06-04 13:43:44

●NSns3.cisco.com2026-03-31 → 2026-06-04 · 2 obs

● 2026-03-31 13:40:50
● 2026-06-04 13:43:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
software	v0n0.nic.software, v0n1.nic.software, v0n2.nic.software, v0n3.nic.software...	12 records
ios.software	ns2.cisco.com, ns3.cisco.com, ns1.cisco.com	-

✅ Authoritative Response

Server:72.163.5.201

NS records: ns2.cisco.com, ns3.cisco.com, ns1.cisco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ios.software (unsigned zone)

⏱️ Timing

Total: 662ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.software, v0n1.nic.software, v0n2.nic.software...)

Analysis

Name Servers

DNS for ios.software is handled by three authoritative name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

There is at least partial name server overlap between ios.software and other domains — webex.pro, ioe.com, 56.128.216.in-addr.arpa and two more among them.

These name servers are routinely deployed together with the name servers ns.cisco.com.

Three hostnames — ns1.cisco.com, ns2.cisco.com and ns3.cisco.com — each have two IP addresses: ns1.cisco.com has 72.163.5.201 and 2001:420:1101:6::a, ns2.cisco.com has 64.102.255.44 and 2001:420:2041:5000::a, and ns3.cisco.com has 173.37.146.41 and 2001:420:1201:7::a.