rtcsys.com - dns.ninja

`rtcsys.com`

DNSSEC	⚠️ Not signed
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns-cloud-a1.googledomains.com` ⭐
		A	2001:4860:4802:32::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a1.googledomains.com`
		A	216.239.32.106^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-a1.googledomains.com`
NS	`ns-cloud-a2.googledomains.com`
		A	2001:4860:4802:34::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a2.googledomains.com`
		A	216.239.34.106^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-a2.googledomains.com`
NS	`ns-cloud-a3.googledomains.com`
		A	2001:4860:4802:36::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a3.googledomains.com`
		A	216.239.36.106^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-a3.googledomains.com`
NS	`ns-cloud-a4.googledomains.com`
		A	2001:4860:4802:38::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a4.googledomains.com`
		A	216.239.38.106^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-a4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-cloud-a1.googledomains.com`cloud-dns-hostmaster@google.com serial=4

`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=1782835256

Same first word

rtcsys.com

Similar names

tryssc.com

ycsrst.com

sctrsy.com

cyrsst.com

DNS History

17 records (10 active, 7 former)

●NSns-cloud-a1.googledomains.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

●NSns-cloud-a2.googledomains.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

●NSns-cloud-a3.googledomains.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

●NSns-cloud-a4.googledomains.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

○NSns01.cashparking.com2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 18:11:30
○ 2018-12-01 21:38:04
○ 2026-06-30 16:21:20

○NSns67.domaincontrol.com2018-12-01 → 2018-12-01 · 4 obs

○ 2016-12-16 18:11:30
● 2018-12-01 21:38:04
○ 2026-06-13 18:00:12
○ 2026-06-30 16:21:20

○NSns68.domaincontrol.com2018-12-01 → 2018-12-01 · 4 obs

○ 2016-12-16 18:11:30
● 2018-12-01 21:38:04
○ 2026-06-13 18:00:12
○ 2026-06-30 16:21:20

●MXalt1.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

●MXalt2.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

●MXalt3.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

●MXalt4.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

●MXaspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

○MXmailstore1.secureserver.net2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 18:11:30
○ 2018-12-01 21:38:04
○ 2026-06-30 16:21:20

○MXsmtp.secureserver.net2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 18:11:30
○ 2018-12-01 21:38:04
○ 2026-06-30 16:21:20

○A160.153.71.02018-12-01 → 2018-12-01 · 4 obs

○ 2016-12-16 18:11:30
● 2018-12-01 21:38:04
○ 2026-06-13 18:00:12
○ 2026-06-30 16:21:20

○A184.168.221.962016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 18:11:30
○ 2018-12-01 21:38:04
○ 2026-06-30 16:21:20

●A198.185.159.1442026-06-13 → 2026-06-30 · 3 obs

○ 2018-12-01 21:38:04
● 2026-06-13 18:00:12
● 2026-06-30 16:21:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-
rtcsys.com	ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.36.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1951ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.185.159.144`
NS	4	`ns-cloud-a2.googledomains.com, ns-cloud-a4.googledomains.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt2.aspmx.l.google.com (pri: 5)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-cloud-a1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)

Analysis

IP Addresses

rtcsys.com points to a single IP number: 198.185.159.144.

Additional host names — windmillbehavioralhealthcare.com, splashofcolorack.com, fisheng.com and two others — share IP numbers with rtcsys.com.

Name Servers

rtcsys.com has four authoritative name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

rtcsys.com shares at least some of its name servers with other domains, including thebiggerfish.nz, migrationtester.com, primeecho.shop and two others.

The host names ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com each resolve to two IP addresses: ns-cloud-a1.googledomains.com resolves to 216.239.32.106 and 2001:4860:4802:32::6a; ns-cloud-a2.googledomains.com resolves to 216.239.34.106 and 2001:4860:4802:34::6a; ns-cloud-a3.googledomains.com resolves to 216.239.36.106 and 2001:4860:4802:36::6a; ns-cloud-a4.googledomains.com resolves to 216.239.38.106 and 2001:4860:4802:38::6a.

Mail Servers

rtcsys.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

rtcsys.com shares mail servers — at least in part — with other domains, including ns500693.ns500734.ns500734.ns500693.ns500693.ns500699.ns500699.ns500632.ns500632.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, jenaboo.com, unfilteredstudios.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 142.251.16.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.