rcb.com - dns.ninja

`rcb.com`

DNSSEC	⚠️ Not signed
A	23.227.38.65^{🇨🇦 Cloudflare23.227.38.0/23 Shopify 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada}
		PTR	`myshopify.com`
NS	`ns20.digicertdns.com` ⭐
		A	2600:1800:10::1:1f^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
		A	208.94.148.223^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
NS	`ns21.digicertdns.com`
		A	2600:1801:11::1:1f^{🇺🇸 Tiggee2600:1801:11::/48 DNS Made Easy anycast network}
			PTR	`ns21.digicertdns.com`
		A	208.80.124.223^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns21.digicertdns.com`
NS	`ns22.digicertdns.com`
		A	2600:1802:12::1:1f^{🇺🇸 Tiggee2600:1802:12::/48 DNS Made Easy anycast network}
			PTR	`ns22.digicertdns.com`
		A	208.80.126.223^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns22.digicertdns.com`
NS	`ns23.digicertdns.net`
		A	2600:1801:13::1:1f^{🇺🇸 Tiggee2600:1801:13::/48 DNS Made Easy anycast network}
			PTR	`ns23.digicertdns.net`
		A	208.80.125.223^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns23.digicertdns.net`
NS	`ns24.digicertdns.net`
		A	2600:1802:14::1:1f^{🇺🇸 Tiggee2600:1802:14::/48 DNS Made Easy anycast network}
			PTR	`ns24.digicertdns.net`
		A	208.80.127.223^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns24.digicertdns.net`
NS	`ns25.digicertdns.net`
		A	2600:1800:15::1:1f^{🇺🇸 Tiggee2600:1800:15::/48 DNS Made Easy anycast network}
			PTR	`ns25.digicertdns.net`
		A	208.94.149.223^{🇺🇸 Tiggee208.94.149.0/24 DNS Made Easy anycast network}
			PTR	`ns25.digicertdns.net`
MX	`rcb-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms59613719`
TXT	`google-site-verification=aZGp5LnA4AbTP6-oGzxbQiTFp_-Y0XfgEAY8lhzLvng`
TXT	`knowbe4-site-verification=8a0551c0e8eb9210149bc214f2273f93`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns20.digicertdns.com`dns@digicertdns.com 2009-01-01 #42

`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=1786544379

Subdomains

webmail.rcb.com

mail.rcb.com

www.rcb.com

Same first word

rcb.at

rcb.com

rcb.ac.in

rcb.jp

rcb.pt

rcb.gov.pl

rcb.info

rcb.ru

rcb.com.tr

rcb.net

rcb.cc

rcb.cz

rcb.res.in

rcb.lv

rcb.world

rcb.ro

rcb.fr

rcb.co

rcb.dk

rcb.com.vn

rcb.mx

rcb.co.il

rcb.cl

rcb.com.br

rcb.ie

rcb.com.pl

rcb.ca

rcb.ir

rcb.be

rcb.us

rcb.me

rcb.asia

rcb.cn

rcb.cat

rcb.sk

rcb.tv

rcb.kz

rcb.com.mx

rcb.co.za

rcb.ch

rcb.eu

Similar names

cbr.cc

brc.gr

rbc.media

bcr.ad

brc.co

rbc.mw

cbr.org.br

crb.org

brc.ch

crb.by

rbc.net.ua

rbc.kiev.ua

crb.bz

bcr.mx

crb.cloud

brc.at

cbr.us

bcr.me

cbr.me

rbc.edu

brc.by

rbc.xyz

bcr.de

cbr.co

cbr.ch

brc.com.br

brc.org

brc.net

rbc.kz

bcr.com.au

bcr.co.uk

brc.bet

bcr.at

brc.ac.uk

cbr.gov.pl

cbr.net

brc.cz

cbr.be

crb.com.ua

cbr.gr

cbr.hu

cbr.io

bcr.it

cbr.cl

brc.social

crb.de

rbc.ms

cbr.academy

bcr.co.th

rbc.net.nz

crb.guru

rbc.at

cbr.org.uk

crb.kz

brc.coffee

cbr.com.uy

rbc.us

rbc.cn

brc.vn

cbr.bet

cbr.net.id

rbc.org.au

bcr.gr

brc.com.au

rbc.es

bcr.us

crb.edu.br

bcr.az

brc.ie

cbr.de

cbr.pl

rbc.az

brc.hu

brc.net.cn

cbr.it

rbc.ro

bcr.net

crb.g12.br

rbc.fi

brc.az

cbr.mx

rbc.ie

crb.no

crb.pt

bcr.life

crb.bi

brc.com.sg

brc.my

brc.us

bcr.fi.cr

brc.info

DNS History

42 records (8 active, 34 former)

○NSns1.ecpage.com2026-02-18 → 2026-05-14 · 5 obs

○ 2017-08-15 03:25:50
● 2026-02-18 03:45:52
● 2026-05-14 06:42:12
○ 2026-05-29 18:15:34
○ 2026-08-12 14:24:56

○NSns1.ezydomain.com2026-03-25 → 2026-05-14 · 5 obs

○ 2026-02-18 03:45:52
● 2026-03-25 06:38:10
● 2026-05-14 06:42:12
○ 2026-05-29 18:15:34
○ 2026-08-12 14:24:56

○NSns2.ecpage.com2026-02-18 → 2026-05-14 · 5 obs

○ 2017-08-15 03:25:50
● 2026-02-18 03:45:52
● 2026-05-14 06:42:12
○ 2026-05-29 18:15:34
○ 2026-08-12 14:24:56

○NSns2.ezydomain.com2026-03-25 → 2026-05-14 · 5 obs

○ 2026-02-18 03:45:52
● 2026-03-25 06:38:10
● 2026-05-14 06:42:12
○ 2026-05-29 18:15:34
○ 2026-08-12 14:24:56

●NSns20.digicertdns.com2026-05-29 → 2026-08-12 · 3 obs

○ 2026-05-14 06:42:12
● 2026-05-29 18:15:34
● 2026-08-12 14:24:56

●NSns21.digicertdns.com2026-05-29 → 2026-08-12 · 3 obs

○ 2026-05-14 06:42:12
● 2026-05-29 18:15:34
● 2026-08-12 14:24:56

●NSns22.digicertdns.com2026-05-29 → 2026-08-12 · 3 obs

○ 2026-05-14 06:42:12
● 2026-05-29 18:15:34
● 2026-08-12 14:24:56

●NSns23.digicertdns.net2026-05-29 → 2026-08-12 · 3 obs

○ 2026-05-14 06:42:12
● 2026-05-29 18:15:34
● 2026-08-12 14:24:56

●NSns24.digicertdns.net2026-05-29 → 2026-08-12 · 3 obs

○ 2026-05-14 06:42:12
● 2026-05-29 18:15:34
● 2026-08-12 14:24:56

●NSns25.digicertdns.net2026-05-29 → 2026-08-12 · 3 obs

○ 2026-05-14 06:42:12
● 2026-05-29 18:15:34
● 2026-08-12 14:24:56

○NSwww.392789.com2016-07-27 → 2016-07-27 · 4 obs

○ 2016-07-26 13:08:08
● 2016-07-27 14:41:36
○ 2016-07-28 18:45:42
○ 2026-08-12 14:24:56

○NSwww.rcb.com2015-08-23 → 2017-08-15 · 8 obs

● 2015-08-23 11:09:38
● 2016-07-25 09:37:32
○ 2016-07-26 13:08:08
○ 2016-07-27 14:41:36
● 2016-07-28 18:45:42
● 2017-08-15 03:25:50
○ 2026-02-18 03:45:52
○ 2026-08-12 14:24:56

○NSwww.xbjie.com2016-07-26 → 2016-07-26 · 4 obs

○ 2016-07-25 09:37:32
● 2016-07-26 13:08:08
○ 2016-07-27 14:41:36
○ 2026-08-12 14:24:56

○MXio.bouncemx.com2015-09-19 → 2017-02-02 · 4 obs

● 2015-09-19 01:47:26
● 2017-02-02 11:03:22
○ 2017-05-26 03:15:06
○ 2026-08-12 14:24:56

○MXmail.rcb.com2026-02-18 → 2026-05-14 · 5 obs

○ 2017-05-26 03:15:06
● 2026-02-18 03:45:52
● 2026-05-14 06:42:12
○ 2026-05-29 18:15:34
○ 2026-08-12 14:24:56

●MXrcb-com.mail.protection.outlook.com2026-05-29 → 2026-08-12 · 3 obs

○ 2026-05-14 06:42:12
● 2026-05-29 18:15:34
● 2026-08-12 14:24:56

○MXwebmail.rcb.com2026-02-18 → 2026-05-14 · 5 obs

○ 2017-05-26 03:15:06
● 2026-02-18 03:45:52
● 2026-05-14 06:42:12
○ 2026-05-29 18:15:34
○ 2026-08-12 14:24:56

○A104.160.171.792017-02-02 → 2017-02-02 · 4 obs

○ 2016-12-26 11:34:40
● 2017-02-02 11:03:22
○ 2017-05-26 03:15:06
○ 2026-08-12 14:24:56

●A23.227.38.652026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-24 17:25:10
● 2026-08-12 14:24:56

○A52.77.41.1082026-02-18 → 2026-07-24 · 5 obs

○ 2017-05-26 03:15:06
● 2026-02-18 03:45:52
○ 2026-07-19 09:43:10
● 2026-07-24 17:25:10
○ 2026-08-12 14:24:56

○A70.39.84.2262015-11-20 → 2015-12-25 · 7 obs

○ 2015-11-16 21:29:14
● 2015-11-20 14:53:56
○ 2015-11-21 18:41:38
○ 2015-12-23 20:59:12
● 2015-12-25 19:24:08
○ 2016-01-01 03:59:58
○ 2026-08-12 14:24:56

○A70.39.84.2282016-02-25 → 2016-02-25 · 4 obs

○ 2016-02-17 14:43:22
● 2016-02-25 04:53:58
○ 2016-03-02 17:41:02
○ 2026-08-12 14:24:56

○A70.39.84.2312015-10-01 → 2016-03-11 · 8 obs

○ 2015-09-19 01:47:26
● 2015-10-01 19:00:12
● 2015-10-03 00:26:12
○ 2015-10-08 15:22:38
○ 2016-03-02 17:41:02
● 2016-03-11 04:23:42
○ 2016-05-06 08:48:26
○ 2026-08-12 14:24:56

○A70.39.84.2322016-03-02 → 2016-12-26 · 7 obs

○ 2016-02-25 04:53:58
● 2016-03-02 17:41:02
○ 2016-03-11 04:23:42
○ 2016-12-18 18:07:22
● 2016-12-26 11:34:40
○ 2017-02-02 11:03:22
○ 2026-08-12 14:24:56

○A70.39.84.2352015-09-19 → 2016-02-06 · 13 obs

○ 2015-08-23 11:09:38
● 2015-09-19 01:47:26
○ 2015-10-01 19:00:12
○ 2015-10-08 15:22:38
● 2015-10-09 17:39:22
○ 2015-10-11 22:20:24
○ 2015-12-25 19:24:08
● 2016-01-01 03:59:58
○ 2016-01-05 14:50:26
○ 2016-01-16 23:45:50
● 2016-02-06 22:00:50
○ 2016-02-17 14:43:22
○ 2026-08-12 14:24:56

○A70.39.84.2382016-12-18 → 2016-12-18 · 4 obs

○ 2016-12-11 05:05:16
● 2016-12-18 18:07:22
○ 2016-12-26 11:34:40
○ 2026-08-12 14:24:56

○A70.39.84.2402015-12-04 → 2016-12-05 · 8 obs

○ 2015-11-24 11:56:46
● 2015-12-04 14:18:30
● 2015-12-12 15:15:08
○ 2015-12-23 20:59:12
○ 2016-11-30 15:40:42
● 2016-12-05 13:22:58
○ 2016-12-11 05:05:16
○ 2026-08-12 14:24:56

○A70.39.84.2412016-02-17 → 2016-12-11 · 7 obs

○ 2016-02-06 22:00:50
● 2016-02-17 14:43:22
○ 2016-02-25 04:53:58
○ 2016-12-05 13:22:58
● 2016-12-11 05:05:16
○ 2016-12-18 18:07:22
○ 2026-08-12 14:24:56

○A70.39.84.2422015-10-11 → 2015-12-23 · 7 obs

○ 2015-10-09 17:39:22
● 2015-10-11 22:20:24
○ 2015-11-09 11:25:24
○ 2015-12-12 15:15:08
● 2015-12-23 20:59:12
○ 2015-12-25 19:24:08
○ 2026-08-12 14:24:56

○A70.39.84.2432015-11-09 → 2015-11-09 · 4 obs

○ 2015-10-11 22:20:24
● 2015-11-09 11:25:24
○ 2015-11-16 21:29:14
○ 2026-08-12 14:24:56

○A70.39.84.2452015-10-08 → 2015-10-08 · 4 obs

○ 2015-10-03 00:26:12
● 2015-10-08 15:22:38
○ 2016-12-26 11:34:40
○ 2026-08-12 14:24:56

○A70.39.84.2462015-08-23 → 2015-10-08 · 6 obs

● 2015-08-23 11:09:38
○ 2015-09-19 01:47:26
○ 2015-10-03 00:26:12
● 2015-10-08 15:22:38
○ 2015-10-09 17:39:22
○ 2026-08-12 14:24:56

○A70.39.84.2472016-07-27 → 2016-07-27 · 4 obs

○ 2016-07-26 13:08:08
● 2016-07-27 14:41:36
○ 2016-07-28 18:45:42
○ 2026-08-12 14:24:56

○A70.39.84.2482015-11-16 → 2015-11-24 · 7 obs

○ 2015-11-09 11:25:24
● 2015-11-16 21:29:14
○ 2015-11-20 14:53:56
● 2015-11-21 18:41:38
● 2015-11-24 11:56:46
○ 2015-12-04 14:18:30
○ 2026-08-12 14:24:56

○A70.39.84.2502016-05-06 → 2016-05-17 · 5 obs

○ 2016-03-11 04:23:42
● 2016-05-06 08:48:26
● 2016-05-17 09:05:16
○ 2016-06-23 22:49:02
○ 2026-08-12 14:24:56

○A70.39.84.2512016-01-05 → 2016-01-16 · 5 obs

○ 2016-01-01 03:59:58
● 2016-01-05 14:50:26
● 2016-01-16 23:45:50
○ 2016-02-06 22:00:50
○ 2026-08-12 14:24:56

○A70.39.84.2522016-07-26 → 2016-07-26 · 4 obs

○ 2016-07-25 09:37:32
● 2016-07-26 13:08:08
○ 2016-07-27 14:41:36
○ 2026-08-12 14:24:56

○A70.39.84.2532016-11-30 → 2016-11-30 · 4 obs

○ 2016-08-19 05:36:48
● 2016-11-30 15:40:42
○ 2016-12-05 13:22:58
○ 2026-08-12 14:24:56

○A70.39.84.2542016-06-23 → 2016-08-19 · 9 obs

○ 2016-05-17 09:05:16
● 2016-06-23 22:49:02
● 2016-07-25 09:37:32
○ 2016-07-26 13:08:08
○ 2016-07-27 14:41:36
● 2016-07-28 18:45:42
● 2016-08-19 05:36:48
○ 2016-11-30 15:40:42
○ 2026-08-12 14:24:56

○CNAMEnum9.dcoin.co2016-07-26 → 2016-07-26 · 4 obs

○ 2016-07-25 09:37:32
● 2016-07-26 13:08:08
○ 2016-07-27 14:41:36
○ 2026-08-12 14:24:56

○CNAMEr.dcoin.co2015-08-23 → 2017-08-15 · 11 obs

● 2015-08-23 11:09:38
● 2016-07-25 09:37:32
○ 2016-07-26 13:08:08
○ 2016-07-27 14:41:36
● 2016-07-28 18:45:42
● 2016-12-26 11:34:40
○ 2016-12-30 07:54:40
● 2017-01-22 16:01:44
● 2017-08-15 03:25:50
○ 2026-02-18 03:45:52
○ 2026-08-12 14:24:56

○CNAMEs.dcoin.co2016-07-27 → 2016-07-27 · 4 obs

○ 2016-07-26 13:08:08
● 2016-07-27 14:41:36
○ 2016-07-28 18:45:42
○ 2026-08-12 14:24:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rcb.com	ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com, ns24.digicertdns.net...	6 records

✅ Authoritative Response

Server:208.80.125.223

NS records: ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com, ns24.digicertdns.net, ns25.digicertdns.net, ns23.digicertdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rcb.com (unsigned zone)

⏱️ Timing

Total: 571ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.227.38.65`
NS	6	`ns24.digicertdns.net, ns22.digicertdns.com...`
MX	1	`rcb-com.mail.protection.outlook.com (pri`
TXT	4	`v=spf1 include:spf.protection.outlook.co, google-site-verification=aZGp5LnA4AbTP6-...`
SOA	1	`ns20.digicertdns.com dns.digicertdns.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns20.digicertdns.com, ns20.digicertdns.com, ns21.digicertdns.com...)

Analysis

Hierarchy

rcb.com sits above webmail.rcb.com, mail.rcb.com and www.rcb.com in the domain hierarchy.

IP Addresses

rcb.com resolves to just one IP address, 23.227.38.65.

Two other host names, along with shop.fjdynamics.com, doublebaycigar.com.au and windowstatements.com, also share IP numbers with rcb.com.

Name Servers

rcb.com carries NS records listing 6 name servers — ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com and 3 others.

There is at least partial name server overlap between rcb.com and other domains — shake-it.com, collinsoncloud.com, pianorent.be and two more among them.

These name servers regularly appear alongside ns23.digicertdns.net, ns24.digicertdns.net, ns25.digicertdns.net and 7 other name servers in NS record sets.

Host names that have two IP addresses:

The A records for ns20.digicertdns.com return 208.94.148.223 and 2600:1800:10::1:1f.

The A records for ns21.digicertdns.com return 208.80.124.223 and 2600:1801:11::1:1f.

The A records for ns22.digicertdns.com return 208.80.126.223 and 2600:1802:12::1:1f.

The A records for ns23.digicertdns.net return 208.80.125.223 and 2600:1801:13::1:1f.

The A records for ns24.digicertdns.net return 208.80.127.223 and 2600:1802:14::1:1f.

The A records for ns25.digicertdns.net return 208.94.149.223 and 2600:1800:15::1:1f.

Mail Servers

The sole mail server for rcb.com is rcb-com.mail.protection.outlook.com.

With 6 IP addresses total, rcb-com.mail.protection.outlook.com resolves to 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 others.