`concentric-systems.com`

DNSSEC	⚠️ Not signed
A	13.248.243.5^{🇺🇸 Amazon13.248.240.0/20}
		PTR	`a16e665f42988324c.awsglobalaccelerator.com`
A	76.223.105.230^{🇺🇸 Amazon76.223.96.0/20}
NS	`ns67.domaincontrol.com` ⭐
		A	2603:5:2174::2c^{🇺🇸 GODADDY-DNS2603:5:2170::/44}
			PTR	`ns67.domaincontrol.com`
		A	97.74.103.44^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns67.domaincontrol.com`
NS	`ns68.domaincontrol.com`
		A	2603:5:2274::2c^{🇺🇸 GODADDY-DNS2603:5:2270::/44}
			PTR	`ns68.domaincontrol.com`
		A	173.201.71.44^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns68.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`v=spf1 include:dc-aa8e722993._spfm.concentric-systems.com ~all`
TXT	`google-site-verification=1WG5Gj9DxpKGFsM8l7_ccJDeJ2RKWNtYlpRJfu9h9yU`
SOA	`ns67.domaincontrol.com`dns@jomax.net 2025-10-27 #3

`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=1771291435

Same first word

concentric-systems.com

DNS History

9 records (9 active, 0 former)

●NSns67.domaincontrol.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●NSns68.domaincontrol.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●MXalt1.aspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●MXalt2.aspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●MXalt3.aspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●MXalt4.aspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●MXaspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●A13.248.243.52026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

●A76.223.105.2302026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 02:42:48
● 2026-03-23 15:14:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
concentric-systems.com	ns68.domaincontrol.com, ns67.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.71.44

NS records: ns68.domaincontrol.com, ns67.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.105.230, 13.248.243.5`
NS	2	`ns67.domaincontrol.com, ns68.domaincontrol.com`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`v=spf1 include:dc-aa8e722993._spfm.conce, google-site-verification=1WG5Gj9DxpKGFsM`
SOA	1	`ns67.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns68.domaincontrol.com, ns68.domaincontrol.com, ns67.domaincontrol.com...)

Analysis

IP Addresses

concentric-systems.com has two IP numbers: 13.248.243.5 and 76.223.105.230.

Other host names, for instance seasonedsaints.com, etchousing.org, revgamesacademy.in, magicthreads.net and lbbinc.net share IP numbers with concentric-systems.com.

Name Servers

concentric-systems.com's delegation uses two name servers: ns67.domaincontrol.com and ns68.domaincontrol.com.

concentric-systems.com uses the same name server setup as other domains, such as bussgeld.net, onlineplayer.co.uk, shado.com, kascade.org and letsplay.co.in.