`mcmurdosystems.com`

DNSSEC	⚠️ Not signed
A	18.210.184.77^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-210-184-77.compute-1.amazonaws.com`
NS	`ns73.domaincontrol.com` ⭐
		A	2603:5:21a4::2f^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns73.domaincontrol.com`
		A	97.74.106.47^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns73.domaincontrol.com`
NS	`ns74.domaincontrol.com`
		A	2603:5:22a4::2f^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns74.domaincontrol.com`
		A	173.201.74.47^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns74.domaincontrol.com`
MX	`mcmurdosystems-com.mail.protection.outlook.com` ⭐
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns73.domaincontrol.com`dns@jomax.net 2024-02-02 #0

`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=1777145381

Same first word

mcmurdosystems.com

DNS History

7 records (4 active, 3 former)

○NSns1.namecity.com2015-08-19 → 2015-12-14 · 4 obs

● 2015-08-19 16:57:04
● 2015-12-14 00:59:30
○ 2016-03-30 09:44:50
○ 2026-04-25 19:38:24

○NSns2.namecity.com2015-08-19 → 2015-12-14 · 4 obs

● 2015-08-19 16:57:04
● 2015-12-14 00:59:30
○ 2016-03-30 09:44:50
○ 2026-04-25 19:38:24

●NSns73.domaincontrol.com2016-03-30 → 2026-04-25 · 3 obs

○ 2015-12-14 00:59:30
● 2016-03-30 09:44:50
● 2026-04-25 19:38:24

●NSns74.domaincontrol.com2016-03-30 → 2026-04-25 · 3 obs

○ 2015-12-14 00:59:30
● 2016-03-30 09:44:50
● 2026-04-25 19:38:24

●MXmcmurdosystems-com.mail.protection.outlook.com2015-08-19 → 2026-04-25 · 2 obs

● 2015-08-19 16:57:04
● 2026-04-25 19:38:24

●A18.210.184.772026-02-22 → 2026-04-25 · 3 obs

○ 2017-05-25 14:45:48
● 2026-02-22 09:46:06
● 2026-04-25 19:38:24

○A212.250.175.212015-08-19 → 2017-05-25 · 4 obs

● 2015-08-19 16:57:04
● 2017-05-25 14:45:48
○ 2026-02-22 09:46:06
○ 2026-04-25 19:38:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mcmurdosystems.com	ns73.domaincontrol.com, ns74.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.74.47

NS records: ns73.domaincontrol.com, ns74.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmurdosystems.com (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`18.210.184.77`
NS	2	`ns73.domaincontrol.com, ns74.domaincontrol.com`
MX	1	`mcmurdosystems-com.mail.protection.outlo`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns73.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)

Analysis

IP Addresses

mcmurdosystems.com resolves to one IP number: 18.210.184.77.

other host names including mcmurdolimited.com, mcmurdo.co.uk, mcmurdo.net, mcmurdomarine.com and ec2-18-210-184-77.compute-1.amazonaws.com share IP numbers with mcmurdosystems.com.

Name Servers

mcmurdosystems.com is delegated to two name servers ns73.domaincontrol.com and ns74.domaincontrol.com.

mcmurdosystems.com shares the same name server setup as other domains, for instance wiederfinancial.com, valledelpacifico.co, 604mortgage.ca, dabtimer.com and crsco.com.

Host names with two IP numbers:

The host name ns73.domaincontrol.com points to 2603:5:21a4::2f and 97.74.106.47; the host name ns74.domaincontrol.com points to 2603:5:22a4::2f and 173.201.74.47.

Mail Servers

mcmurdosystems.com is handled by a single mail server, mcmurdosystems-com.mail.protection.outlook.com.

mcmurdosystems.com - robtex.com