`arenasemiconductor.com`

DNSSEC	⚠️ Not signed
A	184.168.221.5^{🇺🇸 GODADDY184.168.128.0/17}
		PTR	`5.221.168.184.host.secureserver.net`
NS	`ns1.cisco.com` ⭐
		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`
		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 parent delegation
		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`
MX	`arenasemiconductor-com.mail.protection.outlook.com` ⭐
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms54502951`
SOA	`ns1.cisco.com`postmaster@cisco.com serial=22

`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=1785262532

Same first word

arenasemiconductor.com

DNS History

9 records (5 active, 4 former)

○NSedns-aln1-1-l2016-09-24 → 2017-06-29 · 5 obs

○ 2016-04-14 05:26:42
● 2016-09-24 18:15:18
● 2017-06-29 02:52:14
○ 2026-05-03 12:25:34
○ 2026-07-28 18:44:12

●NSns1.cisco.com2016-09-24 → 2026-07-28 · 6 obs

○ 2016-04-14 05:26:42
● 2016-09-24 18:15:18
● 2026-05-07 16:36:38
○ 2026-05-07 18:59:44
● 2026-05-12 21:13:04
● 2026-07-28 18:44:12

○NSns11.domaincontrol.com2015-07-04 → 2016-04-14 · 4 obs

● 2015-07-04 22:54:00
● 2016-04-14 05:26:42
○ 2016-09-24 18:15:18
○ 2026-07-28 18:44:12

○NSns12.domaincontrol.com2015-07-04 → 2016-04-14 · 4 obs

● 2015-07-04 22:54:00
● 2016-04-14 05:26:42
○ 2016-09-24 18:15:18
○ 2026-07-28 18:44:12

●NSns2.cisco.com2016-09-24 → 2026-07-28 · 6 obs

○ 2016-04-14 05:26:42
● 2016-09-24 18:15:18
● 2026-05-07 16:36:38
○ 2026-05-07 18:59:44
● 2026-05-12 21:13:04
● 2026-07-28 18:44:12

●NSns3.cisco.com2016-09-24 → 2026-07-28 · 6 obs

○ 2016-04-14 05:26:42
● 2016-09-24 18:15:18
● 2026-05-07 16:36:38
○ 2026-05-07 18:59:44
● 2026-05-12 21:13:04
● 2026-07-28 18:44:12

●MXarenasemiconductor-com.mail.protection.outlook.com2015-07-04 → 2026-07-28 · 5 obs

● 2015-07-04 22:54:00
● 2026-05-07 16:36:38
○ 2026-05-07 18:59:44
● 2026-05-12 21:13:04
● 2026-07-28 18:44:12

●A184.168.221.52016-04-14 → 2026-07-28 · 6 obs

○ 2016-01-25 05:59:54
● 2016-04-14 05:26:42
● 2026-05-07 16:36:38
○ 2026-05-07 18:59:44
● 2026-05-12 21:13:04
● 2026-07-28 18:44:12

○A50.63.202.292015-07-04 → 2016-01-25 · 4 obs

● 2015-07-04 22:54:00
● 2016-01-25 05:59:54
○ 2016-04-14 05:26:42
○ 2026-07-28 18:44:12

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:64.102.255.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arenasemiconductor.com (unsigned zone)

⏱️ Timing

Total: 224ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`184.168.221.5`
NS	3	`ns1.cisco.com, ns3.cisco.com...`
MX	1	`arenasemiconductor-com.mail.protection.o`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms54502951`
SOA	1	`ns1.cisco.com postmaster.cisco.com`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

arenasemiconductor.com resolves to one IP address: 184.168.221.5.

graniteloan.net, turkiyeharitasi.co, ezog.com and two other host names share IP numbers with arenasemiconductor.com.

Name Servers

The authoritative name servers for arenasemiconductor.com are ns1.cisco.com, ns2.cisco.com and ns3.cisco.com — three in total.

There is at least partial name server overlap between arenasemiconductor.com and other domains — altiganetworks.net, arch-rock.org, cisco-powered.com and two more among them.

ns1.cisco.com, ns2.cisco.com and ns3.cisco.com all resolve to exactly two IP numbers apiece: ns1.cisco.com → 72.163.5.201 and 2001:420:1101:6::a; ns2.cisco.com → 64.102.255.44 and 2001:420:2041:5000::a; ns3.cisco.com → 173.37.146.41 and 2001:420:1201:7::a.

Mail Servers

Mail for arenasemiconductor.com is handled by a single mail server, arenasemiconductor-com.mail.protection.outlook.com.

arenasemiconductor.com - robtex.com