`cityonsystems.com`

DNSSEC	⚠️ Not signed
A	209.165.210.53^{🇺🇸 GOTNET-IIC209.165.210.0/24}
		PTR	`209-165-210-53.livewirecloud.com`
NS	`ns1.dotster.com` ⭐
		A	172.64.52.250^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dotster.com`
		A	172.64.53.155^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`cityonsystems-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr02cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	52.101.9.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr03cu00206.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
TXT	`ppe-f3a0097fa9a90b8eee336d196d704c724c31468e`
TXT	`MS=ms82324380`
TXT	`v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all`
TXT	`645o9b7t0q74p415lo30deoiek`
TXT	`v=DMARC1; p=none; ruf=mailto:admin@cityonsystems.com;`
SOA	`NS1.DOTSTER.com`namehost@WORLDNIC.com serial=126031213

`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=1774680622

Same first word

cityonsystems.com

DNS History

7 records (4 active, 3 former)

●NSns1.dotster.com2015-07-24 → 2026-03-28 · 2 obs

● 2015-07-24 08:39:50
● 2026-03-28 06:53:04

●NSns2.dotster.com2015-07-24 → 2026-03-28 · 4 obs

● 2015-07-24 08:39:50
● 2017-03-14 01:24:20
○ 2019-03-27 19:18:32
● 2026-03-28 06:53:04

●MXcityonsystems-com.mail.protection.outlook.com2019-03-27 → 2026-03-28 · 3 obs

○ 2017-03-14 01:24:20
● 2019-03-27 19:18:32
● 2026-03-28 06:53:04

○MXmx.cityonsystems.com2015-07-24 → 2017-03-14 · 4 obs

● 2015-07-24 08:39:50
● 2017-03-14 01:24:20
○ 2019-03-27 19:18:32
○ 2026-03-28 06:53:04

●A209.165.210.532026-03-28 → 2026-03-28 · 2 obs

○ 2019-03-27 19:18:32
● 2026-03-28 06:53:04

○A35.212.72.1702026-03-28 → 2026-03-28 · 1 obs

○ 2026-03-28 06:53:04

○A71.252.180.1342015-07-24 → 2019-03-27 · 3 obs

● 2015-07-24 08:39:50
● 2019-03-27 19:18:32
○ 2026-03-28 06:53:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cityonsystems.com	ns1.dotster.com, ns2.dotster.com	2 records

✅ Authoritative Response

Server:172.64.52.250

NS records: ns1.dotster.com, ns2.dotster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cityonsystems.com (unsigned zone)

⏱️ Timing

Total: 250ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.165.210.53`
NS	2	`ns1.dotster.com, ns2.dotster.com`
MX	1	`cityonsystems-com.mail.protection.outloo`
TXT	5	`MS=ms82324380, 645o9b7t0q74p415lo30deoiek...`
SOA	1	`NS1.DOTSTER.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dotster.com, ns2.dotster.com)

Analysis

IP Addresses

cityonsystems.com points to IP number: 209.165.210.53.

Name Servers

cityonsystems.com is delegated to two name servers: ns1.dotster.com and ns2.dotster.com.

cityonsystems.com shares the same name server setup as psicologiaespiritual.com, cportcreditunion.biz, paybeyond.com, mishlerbuilders.com and brillionchamber.com.

cityonsystems.com at least partially shares name servers with other domains, for instance jfaughn.com, wisdomheart.net, ewephoriacheese.com, togz.ca and customerexperiencetechnology.com.

These name servers are commonly used with ns1.yourhostingaccount.com and ns2.yourhostingaccount.com.

Host names with a single IP:

ns1.dotster.com points to 172.64.52.250.

ns2.dotster.com points to 172.64.53.155.

Mail Servers

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

Host name cityonsystems-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::1, 2a01:111:f403:c902::6, 2a01:111:f403:f905::3, 2a01:111:f403:f908::1, 52.101.9.14, 52.101.40.1, 52.101.42.16 and 52.101.42.18.

cityonsystems.com - robtex.com