rtcs.co - dns.ninja

`rtcs.co`

DNSSEC	⚠️ Not signed
A	2001:4860:4802:32::15^{🇺🇸 Google2001:4860::/32}
		PTR	`any-in-2001-4860-4802-32--15.1e100.net`
A	2001:4860:4802:34::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:36::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:38::15^{🇺🇸 Google2001:4860::/32}
A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
NS	`diva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a61^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c061^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`diva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2061^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`diva.ns.cloudflare.com`
		A	108.162.192.97^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	172.64.32.97^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	173.245.58.97^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
NS	`josh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josh.ns.cloudflare.com`
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
MX	`rtcs-co.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f910::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
TXT	`MS=ms44822482`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`diva.ns.cloudflare.com`dns@cloudflare.com serial=2410761370

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759724540

Same first word

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trcs.at

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rcst.ru

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scrt.co

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tcrs.ru

crst.me

scrt.ch

srct.ro

rsct.ir

crts.nl

trsc.top

DNS History

25 records (11 active, 14 former)

●NSdiva.ns.cloudflare.com2026-03-27 → 2026-08-04 · 3 obs

○ 2016-11-20 14:28:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

○NSdns010.d.register.com2015-07-20 → 2016-09-25 · 4 obs

● 2015-07-20 17:16:08
● 2016-09-25 04:49:14
○ 2016-11-20 14:28:20
○ 2026-08-04 10:37:10

○NSdns078.c.register.com2015-07-20 → 2016-09-25 · 4 obs

● 2015-07-20 17:16:08
● 2016-09-25 04:49:14
○ 2016-11-20 14:28:20
○ 2026-08-04 10:37:10

○NSdns088.b.register.com2015-07-20 → 2016-09-25 · 4 obs

● 2015-07-20 17:16:08
● 2016-09-25 04:49:14
○ 2016-11-20 14:28:20
○ 2026-08-04 10:37:10

○NSdns137.a.register.com2015-07-20 → 2016-09-25 · 4 obs

● 2015-07-20 17:16:08
● 2016-09-25 04:49:14
○ 2016-11-20 14:28:20
○ 2026-08-04 10:37:10

●NSjosh.ns.cloudflare.com2026-03-27 → 2026-08-04 · 3 obs

○ 2016-11-20 14:28:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

○MXmx07.register.com2015-07-20 → 2016-09-25 · 4 obs

● 2015-07-20 17:16:08
● 2016-09-25 04:49:14
○ 2016-11-20 14:28:20
○ 2026-08-04 10:37:10

●MXrtcs-co.mail.protection.outlook.com2026-03-27 → 2026-08-04 · 3 obs

○ 2016-11-20 14:28:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A2001:4860:4802:32::152026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A2001:4860:4802:34::152026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A2001:4860:4802:36::152026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A2001:4860:4802:38::152026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A216.239.32.212026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A216.239.34.212026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A216.239.36.212026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

●A216.239.38.212026-03-27 → 2026-08-04 · 3 obs

○ 2017-04-27 23:33:20
● 2026-03-27 03:27:50
● 2026-08-04 10:37:10

○A52.23.4.1382016-11-20 → 2016-11-20 · 4 obs

○ 2016-09-25 04:49:14
● 2016-11-20 14:28:20
○ 2016-12-04 12:40:38
○ 2026-08-04 10:37:10

○A52.4.129.1872016-12-04 → 2016-12-04 · 4 obs

○ 2016-11-20 14:28:20
● 2016-12-04 12:40:38
○ 2017-04-27 23:33:20
○ 2026-08-04 10:37:10

○A52.54.146.2422016-12-04 → 2016-12-04 · 4 obs

○ 2016-11-20 14:28:20
● 2016-12-04 12:40:38
○ 2017-04-27 23:33:20
○ 2026-08-04 10:37:10

○A52.71.186.1562016-11-20 → 2016-11-20 · 4 obs

○ 2016-09-25 04:49:14
● 2016-11-20 14:28:20
○ 2016-12-04 12:40:38
○ 2026-08-04 10:37:10

○A52.73.138.1292016-12-04 → 2016-12-04 · 4 obs

○ 2016-11-20 14:28:20
● 2016-12-04 12:40:38
○ 2017-04-27 23:33:20
○ 2026-08-04 10:37:10

○A54.82.132.1182016-11-20 → 2016-11-20 · 4 obs

○ 2016-09-25 04:49:14
● 2016-11-20 14:28:20
○ 2016-12-04 12:40:38
○ 2026-08-04 10:37:10

○A96.9.15.542015-07-20 → 2016-09-25 · 4 obs

● 2015-07-20 17:16:08
● 2016-09-25 04:49:14
○ 2016-11-20 14:28:20
○ 2026-08-04 10:37:10

○CNAMEpr-co-suspensions.go.co2016-11-20 → 2016-12-04 · 4 obs

● 2016-11-20 14:28:20
● 2016-12-04 12:40:38
○ 2017-04-27 23:33:20
○ 2026-08-04 10:37:10

○CNAMEreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com2016-11-20 → 2016-12-04 · 4 obs

● 2016-11-20 14:28:20
● 2016-12-04 12:40:38
○ 2017-04-27 23:33:20
○ 2026-08-04 10:37:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
rtcs.co	diva.ns.cloudflare.com, josh.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.126

NS records: diva.ns.cloudflare.com, josh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcs.co (unsigned zone)

⏱️ Timing

Total: 493ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`216.239.34.21, 216.239.36.21...`
AAAA	4	`2001:4860:4802:34::15, 2001:4860:4802:32::15...`
NS	2	`diva.ns.cloudflare.com, josh.ns.cloudflare.com`
MX	1	`rtcs-co.mail.protection.outlook.com (pri`
TXT	2	`MS=ms44822482, v=spf1 include:spf.protection.outlook.co`
SOA	1	`diva.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

rtcs.co directs to 8 IP numbers: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 5 other.

Two other host names, along with diegoquirino.net, schickbille.com and vitocphotography.com, also share IP numbers with rtcs.co.

Name Servers

rtcs.co uses two name servers for its delegation: diva.ns.cloudflare.com and josh.ns.cloudflare.com.

rtcs.co shares its NS records with other domains, for example izcevremimarisi.com.tr, hptrade.com.br, bilgiyoluyayincilik.com and two others.

rtcs.co shares at least some of its name servers with other domains, including peterhahn.dk, poiexplorer.com, lifecounter.app and two others.

These name servers are frequently paired with the name servers dean.ns.cloudflare.com, dexter.ns.cloudflare.com and adam.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname diva.ns.cloudflare.com directs to 108.162.192.97, 172.64.32.97 and 173.245.58.97 along with 3 other IP addresses.

Hostname josh.ns.cloudflare.com directs to 108.162.193.126, 172.64.33.126 and 173.245.59.126 along with 3 other IP addresses.

Mail Servers

The sole mail server for rtcs.co is rtcs-co.mail.protection.outlook.com.

With 8 IP addresses total, rtcs-co.mail.protection.outlook.com resolves to 52.101.9.2, 52.101.10.16, 52.101.41.28 and 5 others.