singularity.cx - robtex.com

singularity.cx

DNSSEC⚠️ Not signed
A23.236.62.147🇺🇸 Google23.236.62.0/24
PTR147.62.236.23.bc.googleusercontent.com
NSns1.cisco.com
A2001:420:1101:6::a🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns1.cisco.com
A72.163.5.201🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States
PTRns1.cisco.com
NSns2.cisco.com
A2001:420:2041:5000::a🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States
PTRns2.cisco.com
A64.102.255.44🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States
PTRns2.cisco.com
NSns3.cisco.com
A2001:420:1201:7::a🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com
A173.37.146.41🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com
MXalln-mx-01.cisco.com
A2001:420:1201:6::ad25:93e6🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRalln-mx-01.cisco.com
A173.37.147.230🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States
PTRalln-mx-01.cisco.com
MXrcdn-mx-01.cisco.com(20)
A2001:420:1101:7::48a3:166🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRrcdn-mx-01.cisco.com
A72.163.7.166🇺🇸 ASNTTCISCO72.163.7.0/24 170 West Tasman Drive San Jose CA 95134 United States
PTRrcdn-mx-01.cisco.com
MXaer-mx-01.cisco.com(30)
A2001:420:4621::ad26:d496🇳🇱 ASNTTCISCO2001:420:4000::/36 170 West Tasman Drive San Jose CA 95134 United States
PTRaer-mx-01.cisco.com
A173.38.212.150🇳🇱 ASNTTCISCO173.38.128.0/17 170 West Tasman Drive San Jose CA 95134 United States
PTRaer-mx-01.cisco.com
TXT"v=spf1 include:_spf.google.com ~all"
TXT"v=spf1 ip4:23.239.218.0/24 ~all"
SOAns1.cisco.compostmaster@cisco.com serial=158

cx

DNSSEC🔒 Signed (DS record present)
NSns.anycast.nic.cx
NSns1.anycastdns.cz
NSns2.anycastdns.cz
TXTGeneration Time ISO 8601: 2026-07-15 23:23:46
TXTGeneration Time: 1784157826
SOAns.anycast.nic.cxhostmaster@coccaregistry.org 2026-07-15 #20

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.comMXaer-mx-01.cisco.comalln-mx-01.cisco.comrcdn-mx-01.cisco.comA23.236.62.147
NSns1.cisco.com2026-06-09 → 2026-07-16 · 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
● 2026-07-16 00:47:36
NSns2.cisco.com2026-06-09 → 2026-07-16 · 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
● 2026-07-16 00:47:36
NSns3.cisco.com2026-06-09 → 2026-07-16 · 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
● 2026-07-16 00:47:36
MXaer-mx-01.cisco.com2026-06-09 → 2026-07-16 · 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
● 2026-07-16 00:47:36
MXalln-mx-01.cisco.com2026-06-09 → 2026-07-16 · 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
● 2026-07-16 00:47:36
MXrcdn-mx-01.cisco.com2026-06-09 → 2026-07-16 · 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
● 2026-07-16 00:47:36
A23.236.62.1472026-06-09 → 2026-07-16 · 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
● 2026-07-16 00:47:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cxns.anycast.nic.cx, ns1.anycastdns.cz, ns2.anycastdns.cz5 records
singularity.cxns1.cisco.com, ns2.cisco.com, ns3.cisco.com-

✅ Authoritative Response

Server:72.163.5.201

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for singularity.cx (unsigned zone)

⏱️ Timing

Total: 653ms | Queries: -

📄 Records

TypeCountSample Data
A123.236.62.147
NS3ns2.cisco.com, ns1.cisco.com...
MX3alln-mx-01.cisco.com (pri: 1), rcdn-mx-01.cisco.com (pri: 20)...
TXT2"v=spf1 include:_spf.google.com ~all", "v=spf1 ip4:23.239.218.0/24 ~all"
SOA1ns1.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 has exactly one IP address — 23.236.62.147.

bluerailprocessing.com, cesellatoreriva.com, allbulldogs.com plus two other host names have IP numbers in common with singularity.cx.

Name Servers

singularity.cx has three name servers — ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

singularity.cx has at least partial name server overlap with other domains, such as myciscocommunity.com, ciscohumannetwork.net, ciscolela.mobi and two others.

Each of ns1.cisco.com, ns2.cisco.com and ns3.cisco.com points to two IP numbers. ns1.cisco.com points to 72.163.5.201 and 2001:420:1101:6::a. ns2.cisco.com points to 64.102.255.44 and 2001:420:2041:5000::a. ns3.cisco.com points to 173.37.146.41 and 2001:420:1201:7::a.

Mail Servers

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

At least some of the mail servers used by singularity.cx are shared with other domains: neopathnetworks.com, kennasecurity.com, teltier.org and two others among them.

These mail servers tend to be used in combination with the mail servers mail1.dynamicsoft.com and rtp-mx-01.cisco.com.

Each of aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com points to two IP numbers. aer-mx-01.cisco.com points to 173.38.212.150 and 2001:420:4621::ad26:d496. alln-mx-01.cisco.com points to 173.37.147.230 and 2001:420:1201:6::ad25:93e6. rcdn-mx-01.cisco.com points to 72.163.7.166 and 2001:420:1101:7::48a3:166.