csrt.com - dns.ninja

`csrt.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5039^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:aeb5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.57^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.181^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hal.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hal.ns.cloudflare.com`
		A	108.162.193.174^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	172.64.33.174^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	173.245.59.174^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
NS	`nataly.ns.cloudflare.com`
		A	2606:4700:50::a29f:2665^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nataly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c265^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nataly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2265^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nataly.ns.cloudflare.com`
		A	108.162.194.101^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nataly.ns.cloudflare.com`
		A	162.159.38.101^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nataly.ns.cloudflare.com`
		A	172.64.34.101^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nataly.ns.cloudflare.com`
MX	`csrt-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::3^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.190.2^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
TXT	`v=spf1 mx:csrt-com.mail.protection.outlook.com ip4:64.34.21.253 ip4:192.211.1...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.57, 172.67.174.181
		IPv6 hints	2606:4700:3031::6815:5039, 2606:4700:3031::ac43:aeb5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`hal.ns.cloudflare.com`dns@cloudflare.com serial=2406700665

`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=1781633365

WOT: SAFE (60/100)

Subdomains

conference.csrt.com

www.csrt.com

lists.csrt.com

members.csrt.com

Same first word

csrt.net

csrt.us

csrt.hu

csrt.org

csrt.com

csrt.ru

csrt.net.cn

csrt.be

Similar names

scrt.org.uk

rtsc.ru

strc.com

rcst.net

rcst.com

tcsr.org

ctrs.com

sctr.net.au

crts.tn

scrt.fyi

rtsc.eu

strc.net

srtc.co.zw

rcst.org

cstr.com

crts.ca

scrt.ca

rstc.org

tsrc.lt

crst.ir

srtc.org

srct.org.uk

tcrs.ca

srtc.live

crst.co

strc.de

rcts.pt

srct.net

crts.training

crts.com.br

rtsc.co.jp

ctsr.com.cn

strc.be

strc.org.tw

scrt.link

rcts.ru

scrt.pl

scrt.fr

rsct.com

crst.in

rtsc.net

rtsc.ck.ua

rstc.edu

scrt.scot

crts.ru

trsc.nic.in

ctrs.com.ua

crts.co.nz

ctsr.pl

tscr.nyc

crst.jp

cstr.pl

crts.ro

strc.xyz

ctsr.in

strc.ca

trsc.com

ctsr.ru

crts.com

srtc.com.cn

trsc.ac.th

rstc.fi

rstc.co.id

rtcs.net

tscr.com

scrt.online

crst.duckdns.org

rcts.jp

crts.io

srct.org.au

trcs.at

srtc.be

srtc.ac.ir

scrt.us

tscr.ca

stcr.com.br

srtc.ru

tsrc.com.au

rsct.net

ctrs.de

trsc.eu

cstr.cn

ctrs.com.pl

ctrs.co

crst.org.uk

trsc.ch

ctrs.pro

strc.net.cn

rtcs.de

ctrs.dk

rtsc.com.au

sctr.online

rcst.de

sctr.ro

tsrc.ac.uk

rtcs.ru

DNS History

27 records (7 active, 20 former)

○NSdns1.datacentres.rogers.com2016-08-07 → 2016-12-13 · 5 obs

○ 2016-05-27 10:28:06
● 2016-08-07 00:54:10
● 2016-12-13 04:59:40
○ 2021-10-15 12:50:34
○ 2026-06-16 18:21:50

○NSdns2.datacentres.rogers.com2016-08-07 → 2016-12-13 · 5 obs

○ 2016-05-27 10:28:06
● 2016-08-07 00:54:10
● 2016-12-13 04:59:40
○ 2021-10-15 12:50:34
○ 2026-06-16 18:21:50

○NSdns3.datacentres.rogers.com2016-08-07 → 2016-12-13 · 5 obs

○ 2016-05-27 10:28:06
● 2016-08-07 00:54:10
● 2016-12-13 04:59:40
○ 2021-10-15 12:50:34
○ 2026-06-16 18:21:50

●NShal.ns.cloudflare.com2026-02-20 → 2026-06-16 · 3 obs

○ 2021-10-15 12:50:34
● 2026-02-20 10:23:34
● 2026-06-16 18:21:50

○NSmag1.magma.ca2015-09-01 → 2016-05-27 · 4 obs

● 2015-09-01 13:01:40
● 2016-05-27 10:28:06
○ 2016-08-07 00:54:10
○ 2026-06-16 18:21:50

○NSmag2.magma.ca2015-09-01 → 2016-05-27 · 4 obs

● 2015-09-01 13:01:40
● 2016-05-27 10:28:06
○ 2016-08-07 00:54:10
○ 2026-06-16 18:21:50

○NSmag2.magmacom.com2015-09-01 → 2016-05-27 · 4 obs

● 2015-09-01 13:01:40
● 2016-05-27 10:28:06
○ 2016-08-07 00:54:10
○ 2026-06-16 18:21:50

○NSmag3.magma.ca2015-09-01 → 2016-05-27 · 4 obs

● 2015-09-01 13:01:40
● 2016-05-27 10:28:06
○ 2016-08-07 00:54:10
○ 2026-06-16 18:21:50

●NSnataly.ns.cloudflare.com2026-02-20 → 2026-06-16 · 3 obs

○ 2021-10-15 12:50:34
● 2026-02-20 10:23:34
● 2026-06-16 18:21:50

○NSns1.gwntc.net2021-10-15 → 2021-10-15 · 4 obs

○ 2016-12-13 04:59:40
● 2021-10-15 12:50:34
○ 2026-02-20 10:23:34
○ 2026-06-16 18:21:50

○NSns2.gwntc.net2021-10-15 → 2021-10-15 · 4 obs

○ 2016-12-13 04:59:40
● 2021-10-15 12:50:34
○ 2026-02-20 10:23:34
○ 2026-06-16 18:21:50

●MXcsrt-com.mail.protection.outlook.com2015-09-01 → 2026-06-16 · 2 obs

● 2015-09-01 13:01:40
● 2026-06-16 18:21:50

●A104.21.80.572026-02-20 → 2026-06-16 · 16 obs

○ 2021-10-15 12:50:34
● 2026-02-20 10:23:34
● 2026-02-24 03:53:30
○ 2026-03-03 10:28:26
● 2026-03-30 18:40:08
● 2026-04-09 04:58:40
○ 2026-04-10 03:10:06
○ 2026-04-10 15:43:14
● 2026-04-14 05:41:18
○ 2026-05-12 03:25:40
● 2026-05-24 03:18:30
○ 2026-05-26 17:55:58
● 2026-05-29 05:47:48
● 2026-06-08 23:48:06
○ 2026-06-14 18:44:44
● 2026-06-16 18:21:50

○A162.144.176.1422016-02-09 → 2016-03-30 · 5 obs

○ 2015-11-19 22:00:44
● 2016-02-09 21:06:10
● 2016-03-30 19:03:00
○ 2016-04-28 19:38:10
○ 2026-06-16 18:21:50

●A172.67.174.1812026-02-20 → 2026-06-16 · 16 obs

○A188.114.96.02026-03-03 → 2026-06-14 · 14 obs

○ 2026-02-24 03:53:30
● 2026-03-03 10:28:26
○ 2026-03-30 18:40:08
○ 2026-04-09 04:58:40
● 2026-04-10 03:10:06
● 2026-04-10 15:43:14
○ 2026-04-14 05:41:18
● 2026-05-12 03:25:40
○ 2026-05-24 03:18:30
● 2026-05-26 17:55:58
○ 2026-05-29 05:47:48
○ 2026-06-08 23:48:06
● 2026-06-14 18:44:44
○ 2026-06-16 18:21:50

○A188.114.97.02026-03-03 → 2026-06-14 · 14 obs

○A198.185.159.1442015-09-01 → 2015-11-19 · 4 obs

● 2015-09-01 13:01:40
● 2015-11-19 22:00:44
○ 2016-02-09 21:06:10
○ 2026-06-16 18:21:50

○A198.185.159.1452015-09-01 → 2015-11-19 · 4 obs

● 2015-09-01 13:01:40
● 2015-11-19 22:00:44
○ 2016-02-09 21:06:10
○ 2026-06-16 18:21:50

○A198.49.23.1442015-09-01 → 2015-11-19 · 4 obs

● 2015-09-01 13:01:40
● 2015-11-19 22:00:44
○ 2016-02-09 21:06:10
○ 2026-06-16 18:21:50

○A198.49.23.1452015-09-01 → 2015-11-19 · 4 obs

● 2015-09-01 13:01:40
● 2015-11-19 22:00:44
○ 2016-02-09 21:06:10
○ 2026-06-16 18:21:50

○A198.50.157.112021-10-15 → 2021-10-15 · 4 obs

○ 2016-12-13 04:59:40
● 2021-10-15 12:50:34
○ 2026-02-20 10:23:34
○ 2026-06-16 18:21:50

●A2606:4700:3031::6815:50392026-02-20 → 2026-06-16 · 16 obs

●A2606:4700:3031::ac43:aeb52026-02-20 → 2026-06-16 · 16 obs

○A2a06:98c1:3120::2026-03-03 → 2026-06-14 · 14 obs

○A2a06:98c1:3121::2026-03-03 → 2026-06-14 · 14 obs

○A77.104.136.2082016-04-28 → 2016-12-13 · 5 obs

○ 2016-03-30 19:03:00
● 2016-04-28 19:38:10
● 2016-12-13 04:59:40
○ 2021-10-15 12:50:34
○ 2026-06-16 18:21:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
csrt.com	hal.ns.cloudflare.com, nataly.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.101

NS records: hal.ns.cloudflare.com, nataly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csrt.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.80.57, 172.67.174.181`
AAAA	2	`2606:4700:3031::6815:5039, 2606:4700:3031::ac43:aeb5`
NS	2	`hal.ns.cloudflare.com, nataly.ns.cloudflare.com`
MX	1	`csrt-com.mail.protection.outlook.com (pr`
TXT	1	`v=spf1 mx:csrt-com.mail.protection.outlo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hal.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hal.ns.cloudflare.com, hal.ns.cloudflare.com, hal.ns.cloudflare.com...)

Analysis

Hierarchy

csrt.com has four subdomains: conference.csrt.com, www.csrt.com, lists.csrt.com and members.csrt.com.

IP Addresses

csrt.com points to the four IP addresses 104.21.80.57, 172.67.174.181, 2606:4700:3031::6815:5039 and 2606:4700:3031::ac43:aeb5.

www.testmocks.com, allforproject.ru, quantum-500-edex.com and two other host names share IP numbers with csrt.com.

Name Servers

csrt.com has two authoritative name servers — hal.ns.cloudflare.com and nataly.ns.cloudflare.com.

csrt.com uses the same name servers as several other domains — among them sasonow.com, officechat.work, chisigmaservice.org and two more.

There is at least partial name server overlap between csrt.com and other domains — lawyer.business, 100meter.net, guians.com.br and two more among them.

These name servers frequently co-occur with the name servers mario.ns.cloudflare.com and margot.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

hal.ns.cloudflare.com points to 108.162.193.174, 172.64.33.174, 173.245.59.174 and 3 other IP addresses.

nataly.ns.cloudflare.com points to 108.162.194.101, 162.159.38.101, 172.64.34.101 and 3 other IP addresses.

Mail Servers

Mail for csrt.com is handled by a single mail server, csrt-com.mail.protection.outlook.com.

csrt-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.190.0, 52.101.190.1, 52.101.190.2 and 5 others.