singularity.cx - dns.ninja

`singularity.cx`

DNSSEC	⚠️ Not signed
A	23.236.62.147^{🇺🇸 Google23.236.62.0/24}
		PTR	`147.62.236.23.bc.googleusercontent.com`
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`
		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	`alln-mx-01.cisco.com` ⭐
		A	2001:420:1201:6::ad25:93e6^{🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`alln-mx-01.cisco.com`
		A	173.37.147.230^{🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`alln-mx-01.cisco.com`
MX	`rcdn-mx-01.cisco.com`⁽²⁰⁾
		A	2001:420:1101:7::48a3:166^{🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`rcdn-mx-01.cisco.com`
		A	72.163.7.166^{🇺🇸 ASNTTCISCO72.163.7.0/24 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`rcdn-mx-01.cisco.com`
MX	`aer-mx-01.cisco.com`⁽³⁰⁾
		A	2001:420:4621::ad26:d496^{🇳🇱 ASNTTCISCO2001:420:4000::/36 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`aer-mx-01.cisco.com`
		A	173.38.212.150^{🇳🇱 ASNTTCISCO173.38.128.0/17 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`aer-mx-01.cisco.com`
TXT	`"v=spf1 ip4:23.239.218.0/24 ~all"`
TXT	`"v=spf1 include:_spf.google.com ~all"`
SOA	`ns1.cisco.com`postmaster@cisco.com serial=158

`cx`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns.anycast.nic.cx` ⭐
	NS	`ns1.anycastdns.cz`
	NS	`ns2.anycastdns.cz`
	TXT	`Generation Time: 1785321243`
	TXT	`Generation Time ISO 8601: 2026-07-29 10:34:03`
	SOA	`ns.anycast.nic.cx`hostmaster@coccaregistry.org 2026-07-29 #9

Same first word

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Similar names

singuarlity.com

DNS History

7 records (7 active, 0 former)

●NSns1.cisco.com2026-06-09 → 2026-07-29 · 5 obs

● 2026-06-09 03:59:40
● 2026-06-13 21:28:42
○ 2026-06-13 22:45:54
● 2026-07-11 20:44:18
● 2026-07-29 11:35:00

●NSns2.cisco.com2026-06-09 → 2026-07-29 · 5 obs

● 2026-06-09 03:59:40
● 2026-06-13 21:28:42
○ 2026-06-13 22:45:54
● 2026-07-11 20:44:18
● 2026-07-29 11:35:00

●NSns3.cisco.com2026-06-09 → 2026-07-29 · 5 obs

● 2026-06-09 03:59:40
● 2026-06-13 21:28:42
○ 2026-06-13 22:45:54
● 2026-07-11 20:44:18
● 2026-07-29 11:35:00

●MXaer-mx-01.cisco.com2026-06-09 → 2026-07-29 · 5 obs

● 2026-06-09 03:59:40
● 2026-06-13 21:28:42
○ 2026-06-13 22:45:54
● 2026-07-11 20:44:18
● 2026-07-29 11:35:00

●MXalln-mx-01.cisco.com2026-06-09 → 2026-07-29 · 5 obs

● 2026-06-09 03:59:40
● 2026-06-13 21:28:42
○ 2026-06-13 22:45:54
● 2026-07-11 20:44:18
● 2026-07-29 11:35:00

●MXrcdn-mx-01.cisco.com2026-06-09 → 2026-07-29 · 5 obs

● 2026-06-09 03:59:40
● 2026-06-13 21:28:42
○ 2026-06-13 22:45:54
● 2026-07-11 20:44:18
● 2026-07-29 11:35:00

●A23.236.62.1472026-06-09 → 2026-07-29 · 5 obs

● 2026-06-09 03:59:40
● 2026-06-13 21:28:42
○ 2026-06-13 22:45:54
● 2026-07-11 20:44:18
● 2026-07-29 11:35:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cx	ns.anycast.nic.cx, ns1.anycastdns.cz, ns2.anycastdns.cz	5 records
singularity.cx	ns1.cisco.com, ns3.cisco.com, ns2.cisco.com	-

✅ Authoritative Response

Server:173.37.146.41

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for singularity.cx (unsigned zone)

⏱️ Timing

Total: 578ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.236.62.147`
NS	3	`ns2.cisco.com, ns1.cisco.com...`
MX	3	`alln-mx-01.cisco.com (pri: 1), rcdn-mx-01.cisco.com (pri: 20)...`
TXT	2	`"v=spf1 ip4:23.239.218.0/24 ~all", "v=spf1 include:_spf.google.com ~all"`
SOA	1	`ns1.cisco.com postmaster.cisco.com`

📌 Glue Records Collected

Total: 5

In-bailiwick: 2 (ns.anycast.nic.cx, ns.anycast.nic.cx)

Out-of-bailiwick: 3 (ns1.anycastdns.cz, ns2.anycastdns.cz, ns1.anycastdns.cz)

Analysis

IP Addresses

singularity.cx directs to one IP number, which is 23.236.62.147.

Among the host names that share IP numbers with singularity.cx are bluerailprocessing.com, cesellatoreriva.com, allbulldogs.com and two others.

Name Servers

singularity.cx carries NS records delegating to ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

singularity.cx partially shares its NS delegation with several other domains, including myciscocommunity.com, ciscohumannetwork.net, ciscolela.mobi and two others.

ns1.cisco.com, ns2.cisco.com and ns3.cisco.com are three hostnames that each resolve to a pair of IP addresses: ns1.cisco.com to 72.163.5.201 and 2001:420:1101:6::a, ns2.cisco.com to 64.102.255.44 and 2001:420:2041:5000::a, and ns3.cisco.com to 173.37.146.41 and 2001:420:1201:7::a.

Mail Servers

singularity.cx uses three mail servers — aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com.

singularity.cx shares at least some of its mail servers with other domains — for example neopathnetworks.com, kennasecurity.com, teltier.org and two more.

The mail servers mail1.dynamicsoft.com and rtp-mx-01.cisco.com regularly co-occur with these mail servers.

aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com are three hostnames that each resolve to a pair of IP addresses: aer-mx-01.cisco.com to 173.38.212.150 and 2001:420:4621::ad26:d496, alln-mx-01.cisco.com to 173.37.147.230 and 2001:420:1201:6::ad25:93e6, and rcdn-mx-01.cisco.com to 72.163.7.166 and 2001:420:1101:7::48a3:166.