`memoir-systems.com`

DNSSEC	⚠️ Not signed
A	23.235.208.127^{🇺🇸 INMOTION23.235.208.0/20 InMotion Hosting, Inc. 6100 Center Drive Suite 1190 Los Angeles, CA 90045 USA}
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`
SOA	`ns1.cisco.com`postmaster@cisco.com serial=25

`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=1776042002

Same first word

memoir-systems.com

DNS History

9 records (7 active, 2 former)

○NSedns-aln1-1-l.cisco.com2015-06-05 → 2016-09-24 · 4 obs

● 2015-06-05 09:25:54
● 2016-09-24 14:46:50
○ 2017-06-28 12:04:16
○ 2026-04-13 01:21:50

●NSns1.cisco.com2015-06-05 → 2026-04-13 · 2 obs

● 2015-06-05 09:25:54
● 2026-04-13 01:21:50

●NSns2.cisco.com2015-06-05 → 2026-04-13 · 2 obs

● 2015-06-05 09:25:54
● 2026-04-13 01:21:50

●NSns3.cisco.com2015-06-05 → 2026-04-13 · 2 obs

● 2015-06-05 09:25:54
● 2026-04-13 01:21:50

●MXaer-mx-01.cisco.com2017-06-28 → 2026-04-13 · 3 obs

○ 2016-09-24 14:46:50
● 2017-06-28 12:04:16
● 2026-04-13 01:21:50

●MXalln-mx-01.cisco.com2017-06-28 → 2026-04-13 · 3 obs

○ 2016-09-24 14:46:50
● 2017-06-28 12:04:16
● 2026-04-13 01:21:50

○MXmemoirsystems-com01e.mail.eo.outlook.com2015-06-05 → 2016-09-24 · 4 obs

● 2015-06-05 09:25:54
● 2016-09-24 14:46:50
○ 2017-06-28 12:04:16
○ 2026-04-13 01:21:50

●MXrcdn-mx-01.cisco.com2017-06-28 → 2026-04-13 · 3 obs

○ 2016-09-24 14:46:50
● 2017-06-28 12:04:16
● 2026-04-13 01:21:50

●A23.235.208.1272015-06-05 → 2026-04-13 · 2 obs

● 2015-06-05 09:25:54
● 2026-04-13 01:21:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
memoir-systems.com	ns1.cisco.com, ns2.cisco.com, ns3.cisco.com	6 records

✅ Authoritative Response

Server:64.102.255.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for memoir-systems.com (unsigned zone)

⏱️ Timing

Total: 193ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.235.208.127`
NS	3	`ns3.cisco.com, ns2.cisco.com...`
MX	3	`alln-mx-01.cisco.com (pri: 10), rcdn-mx-01.cisco.com (pri: 20)...`
SOA	1	`ns1.cisco.com postmaster.cisco.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)

Analysis

IP Addresses

memoir-systems.com points to a single IP number: 23.235.208.127.

Other host names, for instance mail.longpumpkinpatch.com, share IP numbers with memoir-systems.com.

Name Servers

memoir-systems.com is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

memoir-systems.com at least partially shares name servers with other domains, for instance ciscodvn.net, myciscodrive.net, etherswitch.asia, ciscohealthpresence.net and ciscocrconnection.com.

Host names with two IP numbers:

Host ns1.cisco.com points to 2001:420:1101:6::a and 72.163.5.201.

Host ns2.cisco.com points to 2001:420:2041:5000::a and 64.102.255.44.

Host ns3.cisco.com points to 2001:420:1201:7::a and 173.37.146.41.

Mail Servers

memoir-systems.com is handled by three mail servers: aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com.

memoir-systems.com shares mail servers with other domains at least partially, including observable.net, kennasec.com, sentryo.net, sedonasys.com and p-cube.com.

these mail servers are commonly used alongside mail1.dynamicsoft.com.

Host names with two IP numbers:

Host aer-mx-01.cisco.com points to 2001:420:4621::ad26:d496 and 173.38.212.150.

Host alln-mx-01.cisco.com points to 2001:420:1201:6::ad25:93e6 and 173.37.147.230.

Host rcdn-mx-01.cisco.com points to 2001:420:1101:7::48a3:166 and 72.163.7.166.

memoir-systems.com - robtex.com